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Fragrance for Cleaning Products: Category 10A, Harsh Bases and Labels

Fragrancing surface cleaners, laundry and dish products: IFRA Category 10A, what alkalis, acids and bleach do to fragrance, testing, and EU detergent labeling.

Short answer

Fragrance for cleaning products — surface sprays, floor cleaners, laundry liquids, dish soap — is formulated for IFRA Category 10A, the household products with mostly hand contact, and for bases far harsher than perfume: strong alkalis, acids, high surfactant levels and sometimes bleach, which destroys most fragrance materials outright. Build the fragrance from materials that survive the base (alcohols, ethers, nitriles, stable woods and musks), test it in the real product, and label it under detergent and chemical law, not cosmetics law. In the EU, allergens above 0.01% must be named on a detergent's label.

Which IFRA category

IFRA's guidance places most household cleaning products in Category 10A. Some neighbors fall elsewhere:

Household products in IFRA's guidance (51st Amendment, Table 12)
ProductCategory
Hard surface cleaners of all types (bathroom and kitchen cleansers, furniture polish)10A
Other household cleaning: fabric and carpet cleaners, furniture polish sprays and wipes, stain removers, fabric-enhancing sprays10A
Hand dishwashing detergent, hand-wash laundry detergent10A
Machine laundry detergents with skin contact (liquids, powders); fabric softeners (not sheets); laundry pre-treatments; floor wax; ironing water10A
Laundry tabs and pods with minimal skin contact; machine dishwash products; dryer sheets; toilet rim blocks12
Air freshener sprays, aerosol and pump10B

Category 10A is treated as rinse-off for phototoxicity in the guidance. Its limits for many materials are more generous than for skin products, but the check still has to be done at the product's fragrance level (how to check IFRA limits). Air fresheners and other products for the air are covered in the home fragrance guide.

What cleaning bases do to fragrance

Cleaning bases and fragrance stability
BaseWhat happensWhat tends to survive
Alkaline cleaners and degreasersEsters hydrolyze; aldehydes reactAlcohols, ethers, nitriles, many woods and musks
Acidic cleaners (descalers, bathroom)Acid-sensitive materials rearrange or hydrolyze; some acetals break downRobust alcohols, some nitriles; test everything
Hypochlorite bleachOxidizes most organic materials; fragrance and bleach both degradeVery few materials; bleach fragrances are a specialist job
High-surfactant liquids (dish, laundry)Fragrance must solubilize; clarity and viscosity shiftMost materials, at the right level

Aldehydes are where the difference shows most. Citrus and floral aldehydes give the familiar "clean" lift, but they are among the first to go in alkaline or oxidizing bases. Their nitrile analogues smell similar and are far more stable, which is why nitriles are a staple of functional perfumery; see nitriles in perfumery. The surfactant side — clarity and thickness — works as described in fragrance in shampoo and shower gel.

Testing

  1. Dose the fragrance into the real base at the intended level and at one and a half times it; keep an unscented control.
  2. Store warm (about 40 °C), at room temperature, cold and in light; check at one day, one week, four weeks and longer — cleaning products have long shelf lives.
  3. Watch for odor change, color, separation, haze and, in thickened products, viscosity.
  4. Test in use: on a surface, in a sink of water, in a wash load. A laundry fragrance is judged on wet laundry, on dry laundry, and on the next day.

Method and records are as in perfume stability testing.

Labels: detergent and chemical law

  • European Union, today. The Detergents Regulation (EC) No 648/2004 requires detergent labels to show that perfumes are present and to name the allergenic fragrances added above 0.01% by weight, using the names from the cosmetics allergen list.
  • European Union, from September 23, 2029. Regulation (EU) 2026/405 on detergents and surfactants (published March 2, 2026) replaces 648/2004 from that date. It keeps labeling of listed fragrance allergens intentionally added above 0.01%, ties its list to the cosmetics allergen list so that additions there are followed, and allows some information to be given on a digital label. Products placed on the market under the old rules before that date can continue to be sold.
  • Classification and labeling of the mixture under CLP in the EU and GB, and under the Federal Hazardous Substances Act in the US, apply to the product as a whole, fragrance included; see labeling candles, diffusers and room sprays for how those rules are triggered.
  • California has its own cleaning-product ingredient disclosure law; read it if you sell there.
  • Germ-killing claims ("disinfects", "kills 99.9% of bacteria") turn a cleaner into a regulated biocide or pesticide in the EU and the US. A fragrance does not change that; the wording does.

Fragrance oils sold to cleaning-product makers carry their own documentation duties — SDS, allergen statement, IFRA certificate; see selling fragrance oils to makers.

Records

  • Product type, IFRA category, fragrance version and level.
  • Base type, pH and supplier; stability and in-use results.
  • The allergens above the labeling threshold, calculated at the product's fragrance level (fragrance allergens list).

Sources

Frequently asked questions

Can I put my perfume fragrance in a cleaning spray?

Only after checking it against Category 10A and testing it in the base. Fine fragrances rely on esters and aldehydes that cleaning bases often destroy.

Why does my bleach cleaner lose its scent?

Hypochlorite oxidizes most fragrance materials. Fragrances for bleach are built from the few materials that resist it, at low levels, and still fade over time.

Does a cleaning product need an IFRA certificate?

IFRA conformity is an industry standard, not a legal requirement, but retailers and brands commonly ask for a certificate covering Category 10A from the fragrance supplier.

Written and reviewed by the RUŌOD Lab team. This article is general education about perfume formulation and record-keeping; it is not legal, regulatory or safety advice, and the examples are illustrations, not validated commercial formulas. How we write and check these guides.

Formulate with the arithmetic done for you

RUŌOD Lab scales any formula by total weight, by a factor or by one material's weight, so a candle or diffuser batch is worked out as easily as a perfume.