Ingredient Directory
Low ConcernVegan

Hexamidine Diisethionate

4,4'-(Hexamethylenedioxy)dibenzamidine bis(2-hydroxyethanesulfonate)

Safety Flags
Allergen: Rare contact and photoallergic reactions reported; anaphylactic reactions possible in rare cases
Safety Notes

Broad-spectrum cationic antimicrobial effective against Gram-positive and Gram-negative bacteria, moulds and yeasts. Rare contact allergy and anaphylaxis reports documented. EU Annex V maximum 0.1%. Canada maximum 0.10%. Australia AICIS human health tier II assessment completed.

Function & Common Use

Function

Preservative / Antimicrobial / Anti-dandruff

Category

Preservative / Antimicrobial

Common In

Toners, serums, lotions, cleansers, anti-dandruff shampoos

Origin

Synthetic

Concentration Limits

India (CDSCO)

Not verified in source checked

EU Cosmetics Reg.

0.1% in leave-on and rinse-off products (Annex V)

US FDA (21 CFR)

No FDA maximum established; typical use 0.03-0.1%

Korea (MFDS)

Consistent with EU 0.1% limit; exact Korea limit not verified in source checked

Baby restriction: None formally stated; caution advised for infant products given rare sensitisation reports

Pregnancy: No specific restriction identified

Frequently Asked Questions

Is Hexamidine Diisethionate safe to use in skincare?

Hexamidine Diisethionate has a Low concern rating from The Clean Sheet. Broad-spectrum cationic antimicrobial effective against Gram-positive and Gram-negative bacteria, moulds and yeasts. Rare contact allergy and anaphylaxis reports documented. EU Annex V maximum 0.1%. Canada maximum 0.10%. Australia AICIS human health tier II assessment completed.

Is Hexamidine Diisethionate allowed in India?

Hexamidine Diisethionate is currently classified as "Permitted cosmetic preservative under Cosmetics Rules 2020" under Indian cosmetics regulations. The maximum permitted concentration is Not verified in source checked.

What is Hexamidine Diisethionate used for in cosmetics?

Hexamidine Diisethionate functions as: Preservative / Antimicrobial / Anti-dandruff. It is commonly found in: Toners, serums, lotions, cleansers, anti-dandruff shampoos.

Can Hexamidine Diisethionate cause an allergic reaction?

Yes. Hexamidine Diisethionate has an allergen flag (Rare contact and photoallergic reactions reported; anaphylactic reactions possible in rare cases). If you have sensitive skin or known fragrance/contact allergies, patch-test products containing this ingredient before full use.

Is Hexamidine Diisethionate safe for babies?

Hexamidine Diisethionate has baby/child restrictions: None formally stated; caution advised for infant products given rare sensitisation reports. 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 cosmetic preservative under Cosmetics Rules 2020
EU
Restricted; Annex V (permitted preservatives) under EU Regulation 1223/2009; max 0.1% in leave-on and rinse-off products
US FDA
Permitted cosmetic ingredient
Korea (MFDS)
Permitted cosmetic preservative; listed in Korea permitted preservatives list
Australia (TGA)
Approved cosmetic ingredient; AICIS human health tier II assessment conducted
Canada (NHPID)
Approved; maximum usable dose 0.10%

EU Annex: Annex V

Identifiers

CAS659-40-5
EC211-533-5

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