Ingredient Directory
Low ConcernVegan

Sodium Dehydroacetate

Sodium 3-acetyl-6-methyl-2H-pyran-2,4(3H)-dione

Safety Flags
Safety Notes

Well-tolerated sodium salt of dehydroacetic acid; low sensitization potential and good broad-spectrum activity especially against fungi and yeast.

Function & Common Use

Function

Preservative

Category

Preservatives

Common In

Lotions, creams, hair conditioners, sunscreens

Origin

Synthetic

Concentration Limits

India (CDSCO)

0.6%

EU Cosmetics Reg.

0.6%

US FDA (21 CFR)

None (used as food preservative; cosmetic use follows GMP)

Korea (MFDS)

0.6%

Format restriction: None

Baby restriction: No

Pregnancy: No

IFRA: No

Frequently Asked Questions

Is Sodium Dehydroacetate safe to use in skincare?

Sodium Dehydroacetate has a Low concern rating from The Clean Sheet. Well-tolerated sodium salt of dehydroacetic acid; low sensitization potential and good broad-spectrum activity especially against fungi and yeast.

Is Sodium Dehydroacetate allowed in India?

Sodium Dehydroacetate is currently classified as "Permitted" under Indian cosmetics regulations. The maximum permitted concentration is 0.6%.

What is Sodium Dehydroacetate used for in cosmetics?

Sodium Dehydroacetate functions as: Preservative. It is commonly found in: Lotions, creams, hair conditioners, sunscreens.

Can Sodium Dehydroacetate cause an allergic reaction?

Yes. Sodium Dehydroacetate has an allergen flag (No). If you have sensitive skin or known fragrance/contact allergies, patch-test products containing this ingredient before full use.

Is Sodium Dehydroacetate safe for babies?

Sodium Dehydroacetate has baby/child restrictions: No. 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)
Permitted
EU
Permitted
US FDA
Permitted
Korea (MFDS)
Permitted
Australia (TGA)
Permitted
Canada (NHPID)
Permitted

EU Annex: Annex V (permitted preservative)

Identifiers

CAS4418-26-2
EC224-580-1

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