Decamethylcyclopentasiloxane
✓ EU AllowedIdentification
CAS Number 541-02-6
Formula C10H30O5Si5
Mol. Weight 370.77 g/mol
Function & Classification
Primary Function Emollient
Category Silicones
Manufacturer Cosmer Kimya
EU Regulatory Status
Max Rinse-off 0.1%
Restrictions Maximum 0.1% in rinse-off cosmetic products (Annex III, entry 168)
Conditions of Use Restricted use under EU Reg. 2018/1139 amending Reg. 1223/2009. Leave-on products not restricted under Cosmetics Regulation but subject to environmental concerns under REACH.
Safety Profile
Skin Type Compatibility
Dry Skin ✓ Beneficial
Fungal Acne Safe ✓ Safe
No toxicology data available yet for this ingredient.
Check SCCS opinions or CIR reports for published safety assessments.
NOAEL · Dermal Absorption % · Sensitization
Formulation Guidelines
Benefits Moisturizing, Skincare, Hair care, Makeup, etc.
Suppliers & Documents
Cosmer Kimya 🇹🇷 Turkey
Documents