Ingredient Directory
Medium ConcernVegan Evaluator Flag

Cyclohexasiloxane

Dodecamethylcyclohexasiloxane (D6)

Safety Flags
Endocrine Disruptor
Safety Notes

Similar to D5, environmental bioaccumulation concern; restricted in rinse-off in EU

Function & Common Use

Function

Solvent / Emollient

Category

Silicone

Common In

Conditioners, rinse-off hair products

Origin

Synthetic

Concentration Limits

India (CDSCO)

No formal limit

EU Cosmetics Reg.

Max 0.1% in rinse-off (EU)

US FDA (21 CFR)

No specific 21 CFR cosmetic limit identified in source checked; EU limit reference: Max 0.1% in rinse-off (EU)

Korea (MFDS)

No specific MFDS limit identified in source checked; verify if ingredient is used in a Korean functional cosmetic category

Format restriction: Rinse-off: max 0.1% EU

Baby restriction: Avoid in baby rinse-off

Pregnancy: Caution during pregnancy; endocrine disruption data; precautionary avoidance of high-frequency leave-on use.

Frequently Asked Questions

Is Cyclohexasiloxane safe to use in skincare?

Cyclohexasiloxane has a Medium concern rating. Similar to D5, environmental bioaccumulation concern; restricted in rinse-off in EU

Is Cyclohexasiloxane allowed in India?

Cyclohexasiloxane is currently classified as "Permitted" under Indian cosmetics regulations. The maximum permitted concentration is No formal limit.

What is Cyclohexasiloxane used for in cosmetics?

Cyclohexasiloxane functions as: Solvent / Emollient. It is commonly found in: Conditioners, rinse-off hair products.

Is Cyclohexasiloxane safe for babies?

Cyclohexasiloxane has baby/child restrictions: Avoid in baby rinse-off. Avoid using products containing this ingredient on infants unless specifically formulated and labelled for baby use.

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

Regulatory Status

India (CDSCO)
Permitted
EU
Restricted in rinse-off ≥0.1%
US FDA
Permitted
Korea (MFDS)
Permitted
Australia (TGA)
Cosmetic ingredient; standard TGA cosmetic framework applies; no therapeutic goods listing required unless therapeutic claims are made
Canada (NHPID)
Not specifically listed as restricted cosmetic ingredient in NHPID source checked; standard Health Canada cosmetic notification applies

EU Annex: EU Annex III

Identifiers

CAS540-97-6
EC208-762-8

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