Keeping an Essential Oil Recipe Journal

If you enjoy blending essential oils, it does not take long before the recipes begin to multiply.

A diffuser blend you loved last winter. A roll-on that smelled perfect after two weeks of aging. A body oil that was slightly too strong. A lavender and cedarwood combination you meant to recreate but never wrote down.

Without a system, those little discoveries disappear surprisingly quickly.

That is where an essential oil recipe journal becomes useful.

A recipe journal gives you one place to record your blends, ingredients, percentages, safety notes, fragrance impressions, substitutions, and results. Instead of repeatedly starting from scratch, you gradually build your own personal aromatherapy reference library.

It can be as simple as a notebook and pen or as organized as a binder, spreadsheet, or digital database.

The important part is consistency.

A good essential oil journal helps you answer questions such as:

• What exactly did I put in that diffuser blend?
• Which carrier oil did I use?
• Was that roll-on 1% or 3%?
• Did I use Bergamot FCF or expressed bergamot?
• Which lavender bottle was almost empty?
• How did the blend smell after 30 minutes?
• Did the balm become too firm after cooling?
• Did anyone experience irritation?
• Would I make the recipe again?

Those details may seem small when you are blending.

Later, they can make the difference between recreating a favorite recipe and never finding it again.

📓 Why Keep an Essential Oil Recipe Journal?

The biggest reason is repeatability.

Imagine creating a diffuser blend that smells wonderful.

You add a little lavender, some orange, one drop of cedarwood, perhaps frankincense—and the result is exactly what you wanted.

Two weeks later, you try to reproduce it.

Was it three drops of orange or four?

One drop of frankincense or two?

Did cedarwood go in before lavender?

You may remember the general idea but not the exact ratio.

A journal eliminates that problem.

Write the recipe down immediately, and a one-time experiment becomes something you can recreate.

🌿 A Journal Helps You Learn How Oils Behave

Essential oil blending becomes much easier when you start noticing patterns.

You may discover that:

• Ylang ylang overwhelms your blends quickly.
• Cedarwood makes lavender feel warmer.
• Bergamot softens sharp herbal notes.
• Sweet orange disappears faster than frankincense.
• Peppermint needs to be used sparingly.
• Geranium becomes stronger after a blend sits.
• A blend smells different after 30 minutes than it does immediately.

Writing down those observations teaches you far more than simply collecting recipes from other people.

Over time, your journal becomes a record of how you experience fragrance.

🧪 It Also Helps With Safety

A recipe journal is not only about creativity.

It can help prevent accidental overuse.

For topical blends, record:

• Total product amount
• Essential oils used
• Amount of each oil
• Approximate dilution
• Carrier oil
• Intended area of application
• Any oil-specific safety limits
• Date prepared

That information becomes particularly important when working with oils that have special restrictions.

For example:

• Expressed bergamot can be phototoxic.
• Peppermint requires extra caution around young children.
• Eucalyptus species can have age-specific precautions.
• Some oils have low dermal maximums.
• Oxidized oils may become more irritating.

A written record helps you remember what is actually in the bottle.

✍️ What Should You Record?

You do not need an elaborate system.

For most recipes, record at least:

• Recipe name
• Date
• Intended use
• Essential oils
• Botanical names
• Number of drops or weight
• Carrier oil or base
• Total batch size
• Approximate dilution
• Method
• Fragrance notes
• Safety notes
• Results
• Changes for next time

That gives you enough information to recreate and evaluate the blend later.

🌸 Give Every Recipe a Name

Naming blends makes them much easier to remember.

Instead of writing:

“Lavender, orange, cedarwood diffuser”

try:

Quiet Sunset

or:

Autumn Window

or:

Sunday Morning

The name does not need to describe a guaranteed emotional or medical effect.

It can simply capture the atmosphere of the fragrance.

This also makes your journal much more enjoyable to browse.

🌿 Record the Botanical Names

Common names can be surprisingly vague.

“Eucalyptus” may refer to several different species.

“Chamomile” could mean Roman chamomile or German chamomile.

“Cedarwood” may refer to several botanical sources.

“Lavender” can encompass multiple species and hybrids.

When possible, record both the common name and botanical name.

For example:

Lavender — Lavandula angustifolia

Peppermint — Mentha × piperita

Spearmint — Mentha spicata

This becomes especially useful when comparing safety information or ordering a replacement bottle.

⚖️ Record Amounts as Precisely as You Can

Many beginner recipes use drops.

That is convenient for small diffuser blends and simple home recipes.

But drops are not standardized.

Drop size can vary according to:

• Bottle insert
• Oil viscosity
• Temperature
• Bottle angle
• Manufacturer

For repeatability, record the number of drops.

For more precise formulation, especially when making larger topical products, record essential oils by weight.

A small digital scale can make your recipes much easier to reproduce.

📏 Write Down the Dilution

If you make a topical product, record the approximate essential-oil concentration.

For example:

10 mL roll-on

• 1 drop lavender
• 1 drop cedarwood
• 1 drop Bergamot FCF
• Jojoba to fill
• Approximate low dilution

Or, if weighing your ingredients:

30 g body oil

• 29.7 g carrier oil
• 0.3 g essential-oil blend
• 1% total essential oil

The percentage is far more useful later than writing only “a few drops.”

🌞 Record Phototoxicity Information

If your recipe contains citrus oils, add a note about phototoxicity.

Do not assume all citrus essential oils behave the same way.

For example, expressed bergamot has important ultraviolet-exposure restrictions.

Bergamot FCF is treated differently because the major phototoxic furanocoumarins have been removed.

Other citrus oils vary depending on botanical source and extraction method.

A journal entry might say:

Bergamot FCF used — chosen for topical roll-on

or:

Expressed bergamot — check phototoxic dermal limit before use

These small notes reduce confusion later.

🧴 Record the Carrier Oil

Carrier oils change the character of topical recipes.

Jojoba feels different from:

• Sweet almond oil
• Sunflower oil
• Fractionated coconut oil
• Grapeseed oil
• Avocado oil

Some feel heavier.

Some absorb more quickly.

Some have stronger natural aromas.

Some oxidize faster.

Write down exactly which carrier you used.

You may eventually discover that your favorite roll-ons all contain jojoba or that your body oils feel better with sunflower oil.

🐝 Track Waxes and Butters Too

If you make balms, salves, or body butters, record the exact amount of:

• Beeswax
• Shea butter
• Cocoa butter
• Mango butter
• Carrier oil

Texture depends heavily on proportion.

A balm that contains 20% beeswax can feel very different from one containing 10%.

Temperature also matters.

Write down whether the finished product was:

• Too soft
• Too hard
• Grainy
• Smooth
• Easy to scoop
• Better in warm weather
• Better in cool weather

That information makes your next batch much easier to improve.

💧 Keep Water-Based Recipes Separate

Water-containing recipes deserve additional attention.

If a recipe contains:

• Water
• Hydrosol
• Aloe vera juice
• Herbal tea
• Other aqueous ingredients

record whether the formula includes an appropriate preservative system.

Do not assume essential oils preserve a water-based cosmetic.

They do not function as reliable broad-spectrum preservatives simply because they demonstrate antimicrobial activity in laboratory settings.

A journal can help you distinguish:

Anhydrous recipe — no water

from:

Water-containing formula — preservation required

That is a useful habit.

🛁 Record Bath Dispersants

Essential oils do not dissolve in bathwater.

If you make bath products, record the dispersant or solubilizer you used.

For example:

• Solubol
• Natrasorb Bath
• Suitable customizable bath base
• Appropriate polysorbate system

Also record the manufacturer’s recommended ratio.

Do not write only:

“5 drops lavender in bath.”

That information is incomplete.

A safer record would be:

5 drops essential-oil blend dispersed according to Solubol manufacturer instructions before adding to water.

🌬️ Keep Diffuser Recipes in Their Own Section

Diffuser blends are often the easiest recipes to accumulate.

Create a section devoted only to diffusion.

For each blend, record:

• Name
• Oils
• Number of drops
• Diffuser capacity
• Room size
• Approximate diffusion time
• Fragrance strength
• Whether you would use it again

One person’s “perfect” six-drop blend may be overwhelming in a smaller diffuser or bedroom.

Context matters.

🌿 Example Diffuser Journal Entry

Recipe: Quiet Woods

Date: September 6

Diffuser: 200 mL ultrasonic diffuser

Blend:

• 3 drops lavender
• 2 drops cedarwood
• 1 drop frankincense

First impression: Soft lavender with noticeable woodiness.

After 20 minutes: Frankincense became more noticeable.

Strength: Medium.

Would make again? Yes.

Next time: Try 2 lavender, 3 cedarwood, 1 frankincense for a woodier version.

That is enough information to make the next experiment meaningful.

🧴 Create a Section for Roll-On Recipes

Roll-ons benefit from more detailed records because they are topical.

Record:

• Roller bottle size
• Essential oils
• Number of drops or weight
• Carrier oil
• Approximate dilution
• Intended use
• Skin area
• Safety restrictions
• Date made

If the roll-on contains a phototoxic citrus oil, make that note prominent.

🌸 Example Roll-On Journal Entry

Recipe: Soft Citrus Roll-On

Bottle size: 10 mL

Ingredients:

• 1 drop lavender
• 1 drop Bergamot FCF
• 1 drop sweet orange
• Jojoba to fill

Use: Adult personal fragrance

Skin reaction: None noticed

Fragrance: Citrus first, lavender stronger after 20 minutes

Would make again? Yes

Next version: Add 1 drop cedarwood and compare

This is much more useful than remembering only that you once made a “citrus roll-on.”

🧼 Keep Household Recipes Separate From Body Recipes

Aromatherapy Kitchen covers both body-care and household uses.

Your journal should distinguish between them.

Create separate categories such as:

• Diffuser blends
• Roll-ons
• Body oils
• Balms
• Baths
• Home fragrance
• Laundry
• Household products
• Seasonal blends

This prevents someone from accidentally treating a household concentrate like a skin product.

Labeling matters both in your journal and on the actual container.

🍂 Create a Seasonal Blend Section

Seasonal aromatherapy is especially fun to document.

You might keep pages for:

• Spring
• Summer
• Autumn
• Winter
• Halloween
• Christmas
• New Year
• Birthdays
• Holidays

Then build your own seasonal fragrance library.

For example:

Autumn blend

• Sweet orange
• Cedarwood
• Frankincense

December blend

• Sweet orange
• Fir
• Cedarwood
• Frankincense

Summer blend

• Spearmint
• Lavender
• Sweet orange

Over time, your journal becomes a personal scent calendar.

👃 Record What the Blend Actually Smells Like

Do not rely only on marketing descriptions.

Write what you smell.

Try words such as:

• Sweet
• Dry
• Sharp
• Green
• Medicinal
• Floral
• Earthy
• Smoky
• Resinous
• Fresh
• Powdery
• Creamy
• Bitter
• Bright
• Warm
• Heavy

You may discover that your perception differs completely from the description on the bottle.

That is useful information.

⏱️ Smell the Blend More Than Once

Essential-oil blends change as volatile components evaporate.

Smell a fragrance:

• Immediately
• After 10 minutes
• After 30 minutes
• After an hour

Write down what changes.

Citrus oils often dominate initially and fade relatively quickly.

Woods and resins may become more noticeable later.

This is one of the best ways to improve your blending skills.

📝 Use a Simple Rating System

Create an easy rating scale.

For example:

Fragrance: ★★★★☆

Strength: ★★★☆☆

Would make again: Yes

Needs adjustment: Slightly less ylang ylang

Or simply use:

• Love it
• Like it
• Needs work
• Do not remake

Do not make your journal so complicated that you stop using it.

🚦Add a Safety Box to Every Topical Recipe

A small safety section makes your journal much more useful.

Include:

Topical? Yes

Diluted? Yes

Phototoxic? No / Check

Child appropriate? Adult recipe only

Pregnancy note? Check individual oils

Pet product? No

External use only? Yes

This can prevent accidental misuse months later.

🧒 Keep Child Recipes Clearly Identified

Do not assume an adult blend can simply be used on a child.

If you create or save age-specific recipes, separate them clearly.

Write the intended age directly on the page.

For example:

ADULT ONLY

in large letters at the top.

Peppermint and cineole-rich eucalyptus are examples of oils with particular considerations around young children.

Safety should never depend on remembering which recipe was originally meant for whom.

🐕 Record Pet Considerations

If you have pets, add a simple note to diffuser recipes.

For example:

Pets in home: dog and cat

Ventilation: Window open

Animals able to leave room: Yes

Reaction noticed: None

For birds, avoiding essential-oil diffusion in their environment is the more cautious approach.

Never convert a human recipe into a pet recipe merely because the ingredients appear gentle.

🌿 Track Which Oils You Own

Your journal can double as an inventory.

Create a page for:

• Oil name
• Botanical name
• Brand
• Date purchased
• Date opened
• Bottle size
• Batch number
• Approximate amount remaining

This helps prevent buying duplicates.

It also makes it easier to notice bottles that have been sitting unused for years.

⏳ Record the Date You Open Each Bottle

Essential oils do not remain chemically identical forever.

Exposure to:

• Oxygen
• Heat
• Light

can contribute to oxidation.

Oxidized oils may smell different and may be more likely to irritate skin.

Write the opening date on both:

• The bottle label
• Your journal inventory

This is particularly useful for citrus oils, which often have shorter practical storage lives than more stable woods and resins.

👃 Learn to Notice Oxidation

Make notes when an oil begins smelling noticeably different.

Possible changes may include:

• Less freshness
• Sharper aroma
• Flat fragrance
• Rancid or unpleasant notes

Do not rely on fragrance alone as a complete safety test, but sensory changes can tell you that a bottle is no longer behaving the way it did when new.

If an oil has clearly deteriorated, replace it.

🧾 Save Batch Numbers

If your essential-oil supplier provides GC/MS reports or batch-specific information, record the batch number.

That makes it easier to:

• Locate the correct analysis
• Compare batches
• Report a product issue
• Reorder the same material where possible

This may feel excessive when you own three oils.

It becomes much more useful when your collection grows.

🧪 Record Substitutions

If you change a recipe, write down exactly what changed.

For example:

Original: 2 lavender + 1 cedarwood

Substitution: Used frankincense instead of cedarwood

Result: Warmer, resinous, less dry

Do not alter the original recipe beyond recognition.

Keep the original and the new version separately.

That lets you compare them later.

🔢 Number Your Versions

If you are refining a blend, use version numbers.

For example:

Quiet Evening v1

• 3 lavender
• 2 cedarwood
• 1 frankincense

Quiet Evening v2

• 2 lavender
• 3 cedarwood
• 1 frankincense

Quiet Evening v3

• 3 lavender
• 2 cedarwood
• 1 sweet orange

This makes experimentation much easier to follow.

⭐ Mark Your Favorites

Create a symbol for recipes worth repeating.

You might use:

• ★ Favorite
• ✓ Make again
• ♥ Gift-worthy
• ↻ Needs revision

Then create a master list of favorites at the front of your notebook.

That way you do not have to search through 80 pages to find your favorite diffuser blend.

🎁 Keep Gift Recipes Especially Detailed

If you give homemade balms, body oils, or roll-ons to friends, write down exactly what you gave them.

Record:

• Formula
• Date
• Recipient initials
• Ingredients
• Essential-oil concentration

If someone later asks, “What was in that balm you gave me?” you can answer accurately.

That is especially useful when allergies or sensitivities are involved.

📸 Add Photos If You Like

A journal does not need to be only text.

You can include:

• Photos of finished products
• Bottle-label designs
• Packaging ideas
• Ingredient labels
• Color changes
• Texture comparisons

A balm recipe may be easier to evaluate later if you have a picture showing its finished consistency.

📎 Tape Labels and Packaging Into the Journal

Keep interesting packaging.

You can tape in:

• Oil labels
• Supplier cards
• Batch stickers
• Fragrance blotters
• Product labels

This turns your journal into something between a laboratory notebook and a scrapbook.

For people who enjoy the creative side of aromatherapy, that can make journaling much more appealing.

📱 Paper or Digital: Which Is Better?

Either can work.

A paper notebook has several advantages:

• Easy to keep beside your oils
• Fast to scribble in while blending
• No screens or passwords
• Fun to personalize
• Easy to add samples and labels

A digital journal offers:

• Search
• Sorting
• Easy duplication
• Cloud backup
• Calculations
• Links to safety references
• Large recipe libraries

You can also use both.

Keep rough notes in a physical notebook and transfer your best recipes to a digital archive later.

📊 A Spreadsheet Works Surprisingly Well

If you like organization, a spreadsheet can be excellent.

Columns might include:

• Recipe
• Category
• Date
• Oil 1
• Oil 2
• Oil 3
• Carrier/base
• Batch size
• Dilution
• Rating
• Safety notes
• Remake?

Then you can sort your recipes by ingredient.

Want every blend containing lavender?

Filter the lavender column.

Want every recipe rated five stars?

Sort by rating.

It becomes a personal recipe database.

📚 A Binder Is Ideal for Printed Recipes

If you print recipes from Aromatherapy Kitchen or other trusted resources, a three-ring binder may be easiest.

Create dividers for:

• Beginner guides
• Diffusers
• Roll-ons
• Skin care
• Bath and body
• Home fragrance
• Safety
• Seasonal recipes

Leave room beside each recipe for notes.

Write:

• What you changed
• What worked
• What didn’t
• Whether you would remake it

That transforms someone else’s recipe into your own practical reference.

🧠 Don’t Copy Health Claims Into Your Journal Without Checking Them

You may encounter recipes labeled:

• Immunity blend
• Detox oil
• Arthritis cure
• Antiviral roller
• Hormone-balancing blend
• Anxiety treatment

Do not assume those claims are established simply because the recipe appears online.

Separate:

Recipe name

from:

Evidence for the claimed effect

For example, you can save a blend called “Calm” because you like the fragrance without writing that it treats anxiety.

Your journal becomes much more reliable when you distinguish aromatic experience from medical claims.

🔍 Keep a Safety Reference Section

Reserve several pages for recurring information.

You might record:

• General dilution guidance
• Phototoxic oils
• Child precautions
• Diffusion reminders
• Bath dispersion rules
• Essential-oil storage basics
• Carrier oil notes

Then you have a quick reference whenever you create something new.

Still check current authoritative guidance when working with an unfamiliar oil or a higher-risk use.

🛁 Write Down Your Bath Rules

A simple permanent note can prevent a common mistake:

Essential oils do not dissolve in water.

Then list appropriate bath approaches.

For example:

• Use proper bath dispersant.
• Follow manufacturer ratio.
• Do not rely on Epsom salts alone.
• Do not rely on milk alone.
• Do not drip essential oil directly into bathwater.

This is exactly the kind of rule that belongs in the front of an aromatherapy journal.

💧 Write Down Your Water-Based Formulation Rule

Another useful note:

If I add water, preservation becomes a formulation issue.

That includes products containing:

• Distilled water
• Hydrosols
• Aloe juice
• Herbal infusions

Do not assume lavender, tea tree, vitamin E, or refrigeration will automatically preserve them.

A journal should help you create safer habits—not simply store appealing recipes.

🧴 Make a Dilution Reference Page

A general reference page might include broad adult categories such as:

• Sensitive or impaired skin: very low dilution
• Facial products: low dilution
• Body oils and lotions: usually modest dilution
• Spot applications: depends on oil and purpose

But do not treat generic charts as universal permission.

Individual essential oils may have lower dermal maximums.

Use the chart as a starting point and check oil-specific safety information.

🌿 Create an Essential Oil Profile Page for Each Oil

This is one of the most useful journal ideas.

Give each essential oil its own page.

Include:

Common name: Lavender

Botanical name: Lavandula angustifolia

Aroma: Floral, herbal, soft

Blends well with: Cedarwood, orange, bergamot, frankincense

Favorite uses: Diffuser, roll-on, body oil

Safety notes: Check current guidance

Date opened: ______

Favorite recipes: ______

Over time, these profile pages become your personal essential-oil encyclopedia.

🍊 Example Sweet Orange Profile

Common name: Sweet Orange

Botanical name: Citrus sinensis

Aroma: Sweet, juicy, bright citrus

Favorite pairings:

• Lavender
• Cedarwood
• Frankincense
• Ylang ylang

Notes: Excellent in diffuser blends; tends to feel bright at first and fade faster than woods.

Date opened: ______

Recipes to try: ______

That information is much more useful than simply having a bottle sitting on the shelf.

🌲 Record Your Favorite Pairings

As your journal grows, create a master blending page.

For example:

Lavender pairs well with:

• Cedarwood
• Sweet orange
• Bergamot
• Frankincense
• Geranium

Peppermint pairs well with:

• Lavender
• Spearmint
• Sweet orange
• Eucalyptus

Frankincense pairs well with:

• Lavender
• Cedarwood
• Sweet orange
• Bergamot

These are not strict rules.

They are starting points.

Your own notes may eventually become more useful than any generic blending chart.

🎨 Use the Journal for Creativity, Not Just Documentation

A recipe journal can also be a place to brainstorm.

Write fragrance ideas such as:

• Rainy afternoon
• Library
• Summer garden
• Autumn woods
• Fresh laundry
• Holiday kitchen
• Seaside morning
• Quiet Sunday
• Winter forest

Then ask:

What would that place smell like?

Perhaps “Autumn Woods” becomes:

• Cedarwood
• Sweet orange
• Frankincense

Maybe “Summer Garden” becomes:

• Lavender
• Spearmint
• Geranium

That is where aromatherapy turns into fragrance creativity.

🌸 Don’t Be Afraid of Failed Blends

Not every recipe will work.

That is useful information too.

Write:

Too much ylang ylang.

Peppermint overwhelmed everything.

Did not like orange + geranium.

Balm too hard.

Diffuser blend gave me a headache.

Roll-on fragrance disappeared too quickly.

A failed blend is not wasted if it teaches you something.

🚫 Record Adverse Reactions

If a product irritates your skin or makes you feel unwell, write it down.

Record:

• Product
• Oils used
• Approximate concentration
• Where applied
• Type of reaction
• How quickly it occurred
• Whether the oil was old or oxidized

Stop using the offending product.

A journal cannot diagnose an allergy, but it can help you avoid repeating the same exposure accidentally.

📝 A Simple Essential Oil Recipe Journal Template

Use this format for almost any blend:

Recipe Name:

Date:

Purpose/Type:

Batch Size:

Essential Oils:

Botanical Names:

Amounts:

Carrier/Base:

Dilution:

Method:

Safety Notes:

Initial Aroma:

Aroma After 30 Minutes:

Texture/Performance:

Skin Reaction:

Would I Make It Again?

Changes for Next Time:

That is enough structure without making the process feel like paperwork.

✅ A Shorter Everyday Template

If the full version feels too complicated, use:

Name:

Date:

Recipe:

What I liked:

What I would change:

Safety notes:

Five lines are better than no record at all.

🌿 Start With the Recipes You Already Use

You do not need to reconstruct your entire essential-oil history.

Begin today.

Write down:

• Your favorite diffuser blend
• Your current roll-on
• One body oil
• One seasonal fragrance
• The oils you currently own

Then build from there.

The journal becomes more valuable naturally as you continue using it.

📓 Keeping an Essential Oil Recipe Journal: The Bottom Line

An essential oil recipe journal can transform aromatherapy from a collection of random bottles into a practice you actually understand.

You begin noticing ratios.

You remember what you liked.

You stop losing good recipes.

You track dilution.

You record safety considerations.

You learn which oils dominate, which ones disappear quickly, and which combinations consistently make you reach for the diffuser again.

Most importantly, the journal becomes personal.

It is no longer simply a collection of recipes from books, websites, or social media.

It becomes a record of your own experiments.

Your Quiet Evening blend.

Your favorite lavender roll-on.

The balm that needed less beeswax.

The citrus combination that smelled wonderful for five minutes but disappeared too quickly.

The perfume blend you finally perfected on version six.

Essential-oil blending is partly chemistry, partly safety, partly fragrance, and partly creativity.

A good recipe journal gives all four somewhere to live.

🔗 Related Articles

• Essential Oils: Complete Beginner’s Guide
• Essential Oil Blends & Recipes
• Essential Oil Blending Secrets: Create Perfect Combinations Every Time
• The Ultimate Guide to Crafting Essential Oil Blends: Aromatic Alchemy for Your Well-Being
• Carrier Oils Guide: How to Choose & Use Carrier Oils with Essential Oils
• 12 Essential Oil Recipes to Transform Your Daily Wellness Routine
• 3 Peppermint Essential Oil Recipes
• Aromatherapy & Essential Oil Safety
• Aromatherapy Safety Guide: How to Use Essential Oils Safely

📚 Sources

• Tisserand Institute — Dilution for Essential Oils
• Tisserand Institute — Safety Guidelines
• Tisserand Institute — Phototoxicity: Essential Oils, Sun and Safety
• Tisserand Institute — Irritation and Allergic Reactions
• National Center for Complementary and Integrative Health — Aromatherapy
• U.S. Food & Drug Administration — Microbiological Safety and Cosmetics