Essential Oil Glossary

Plain-language definitions for blending, labels, storage, room scenting, candles, cleaning, packing, and product use.

A-Z index

SDS IFRA certificate lot number fragrance load finished-product percentage carrier oil dilution oxidation contact time disinfectant claim sanitizing claim cosmetic claim drug claim batch record cap torque cold-air diffuser passive diffuser safety boundary qualified help source checked supplier document technical data sheet batch change pilot log carrier restriction fragrance blend finished product scent claim treatment claim label claim documentation trail

finished-product percentage

Amount of a material in the final product after blend percentage and fragrance load are multiplied.

Example: 50% cedarwood in a 6% load equals 3% finished product.

Used in these guides: Ifra Compliance Essential Oil Blends

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: fragrance load IFRA certificate

carrier oil

Oil used to dilute or carry aromatic material in a topical-style product or roll-on.

Example: Fractionated coconut oil listed in a lavender aroma roll-on.

Used in these guides: Legal Basics For Selling Essential Oils Online

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: dilution label claim

dilution

Reduction of concentrated aromatic material in another base; not proof of safety or treatment effect.

Example: A 2% aromatic dilution still cannot be marketed for anxiety.

Used in these guides: Legal Basics For Selling Essential Oils Online

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: carrier oil treatment claim

oxidation

Chemical change from air/light/age that can affect material quality and documentation.

Example: Old citrus oil is reviewed before use in a product batch.

Used in these guides: Essential Oil Shipping Boxes

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: lot number batch change

contact time

Time a registered disinfectant must stay wet on a surface to meet label directions.

Example: A cleaning page routes disinfecting needs to the product label contact time.

Used in these guides: Essential Oils For Cleaning

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: disinfectant claim sanitizing claim

disinfectant claim

Claim that a product kills or inactivates microorganisms on surfaces.

Example: “Kills germs on counters” is flagged for rewrite.

Used in these guides: Essential Oils For Cleaning

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: contact time sanitizing claim

sanitizing claim

Claim that a product reduces microorganisms to a stated level.

Example: A homemade spray cannot be called a sanitizer without proper support.

Used in these guides: Essential Oils For Cleaning

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: disinfectant claim label claim

cosmetic claim

Appearance or body-care claim that may affect product classification.

Example: “Improves skin appearance” should be checked separately from aroma copy.

Used in these guides: Legal Basics For Selling Essential Oils Online

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: drug claim label claim

drug claim

Claim to diagnose, treat, cure, mitigate, or prevent disease or affect body function.

Example: “Relieves headaches” is removed from a listing.

Used in these guides: Legal Basics For Selling Essential Oils Online

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: treatment claim cosmetic claim

batch record

Production record tying formula, lot, process, and decision to a specific batch.

Example: Candle batch CW-071 logs wax, wick, fragrance load, and cure time.

Used in these guides: How To Make Coconut Wax

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: lot number batch change

cap torque

Closure tightness check used to reduce leak risk; not a shipping classification.

Example: Caps are checked before bottles enter inner containment.

Used in these guides: Essential Oil Shipping Boxes

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: carrier restriction documentation trail

safety boundary

Line where the site stops practical documentation and routes to qualified help.

Example: Asthma questions are not answered with oil advice.

Used in these guides: Start Here Medical Disclaimer

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: treatment claim source checked

qualified help

Named qualified review for a specific page and scope; none is invented when absent.

Example: A chemist review would be named only if it happened.

Used in these guides: Safety Limits

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: source checked guide purpose

source checked

Date and source note showing what a source supports and does not prove.

Example: USPS Publication 52 checked June 30, 2026 for shipping context.

Used in these guides: How We Check Information

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: documentation trail qualified help

technical data sheet

Supplier sheet with handling, performance, or product parameters; not a compliance certificate by itself.

Example: Wax TDS gives pour temperature but does not prove a candle passed burn testing.

Used in these guides: How To Make Coconut Wax

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: supplier document batch record

batch change

Any material, lot, supplier, load, vessel, wick, or process change that triggers recheck.

Example: Changing wick size starts a new candle retest.

Used in these guides: How To Make Coconut Wax

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: batch record documentation trail

carrier restriction

Carrier rule that may limit mailability or service selection.

Example: A seller checks domestic service before shipping bottles.

Used in these guides: Essential Oil Shipping Boxes

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: cap torque SDS

fragrance blend

Mixture of aromatic materials before it is added to a final product.

Example: A blend is 50% cedarwood, 30% orange, 20% benzoin.

Used in these guides: Ifra Compliance Essential Oil Blends

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: fragrance load finished product

documentation trail

Saved chain of sources, worksheets, decisions, and revision triggers.

Example: A shipping SOP stores carrier check, photos, and final decision.

Used in these guides: Tools How We Check Information

Do not confuse with: treatment permission, product approval, or proof beyond the named document.

Related terms: source checked batch record