Ingredient Directory
Low ConcernVegan

Hydroxyacetophenone

4-Hydroxyacetophenone

Safety Flags
Allergen: None identified in source checked
Safety Notes

Often used as multifunctional antioxidant and preservative booster; should not be counted as a standalone preservative without ISO 11930/PET evidence.

Function & Common Use

Function

Antioxidant / Skin conditioning / Preservative booster

Category

Antioxidant / Preservative Booster

Common In

Serums, moisturisers, sunscreens, preservative boosted systems

Origin

Synthetic / Nature identical

Concentration Limits

India (CDSCO)

No limit verified

EU Cosmetics Reg.

No maximum identified in source checked

US FDA (21 CFR)

No limit verified

Korea (MFDS)

No limit verified

Baby restriction: Requires preservative system and irritation review

Pregnancy: No specific restriction identified in source checked

Frequently Asked Questions

Is Hydroxyacetophenone safe to use in skincare?

Hydroxyacetophenone has a Low concern rating from The Clean Sheet. Often used as multifunctional antioxidant and preservative booster; should not be counted as a standalone preservative without ISO 11930/PET evidence.

Is Hydroxyacetophenone allowed in India?

Hydroxyacetophenone is currently classified as "Not specifically restricted in source checked" under Indian cosmetics regulations. The maximum permitted concentration is No limit verified.

What is Hydroxyacetophenone used for in cosmetics?

Hydroxyacetophenone functions as: Antioxidant / Skin conditioning / Preservative booster. It is commonly found in: Serums, moisturisers, sunscreens, preservative boosted systems.

Can Hydroxyacetophenone cause an allergic reaction?

Yes. Hydroxyacetophenone has an allergen flag (None identified in source checked). If you have sensitive skin or known fragrance/contact allergies, patch-test products containing this ingredient before full use.

Is Hydroxyacetophenone safe for babies?

Hydroxyacetophenone has baby/child restrictions: Requires preservative system and irritation review. Avoid using products containing this ingredient on infants unless specifically formulated and labelled for baby use.

TCS Assessment
Low Concern
Data Confidence
High
Based on peer-reviewed safety data, regulatory status, and expert review by The Clean Sheet panel.

Regulatory Status

India (CDSCO)
Not specifically restricted in source checked
EU
Cosmetic use supported in source checked; no Annex restriction identified
US FDA
CIR safety assessment available; no specific cosmetic restriction identified in source checked
Korea (MFDS)
Not specifically restricted in source checked
Australia (TGA)
Cosmetic ingredient; not a TGA sunscreen active
Canada (NHPID)
Not verified in NHPID source checked

EU Annex: Not listed as restricted in source checked

Identifiers

CAS99-93-4
EC202-802-8

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