Cyclopentasiloxane (D5) – (4.06 fl oz / 120ml) Cosmetic Grade Volatile Silicone for Hair Serums, Primers & DIY Formulations

Cyclopentasiloxane (D5) is a volatile silicone used in professional hair serums, primers and skin care. Evaporates cleanly, leaving a silky finish. USA market only — EU-restricted in wash-off formulations. For external use only.

• VOLATILE SILICONE CARRIER – Cyclopentasiloxane (D5) is a volatile, lightweight silicone that evaporates after application, leaving a silky, non-greasy finish. A foundational ingredient in hair serums, primers and skin care.
• PREMIUM HAIR SERUM BASE – Used as the primary carrier in professional hair serums and anti-frizz treatments. Delivers actives and conditioning agents to hair without residue or build-up.
• PRIMER & SKIN CARE BASE – Creates the smooth, blurring effect in primers. Used in foundations, BB creams and lightweight skin care where a dry, non-greasy finish is required.
• USE LEVEL 5–95% – Use neat or blend with other silicones and oils. Dissolves silicone-soluble actives. Evaporates fully — leaves no residue. For USA market only (EU-restricted in wash-off).
• USA MARKET ONLY – EU restricts Cyclopentasiloxane in wash-off products. This listing is for USA customers only. For external use only.