Calcium Hydroxide
Quick Info: Powerful alkaline ingredient that breaks down hair protein structure in depilatory creams
What it is: A strong alkaline compound (also known as lime or slaked lime) that serves as the primary active ingredient in many depilatory creams and hair removal products.
Function in Hair Removal:
- Breaks down keratin protein structure in hair shafts
- Dissolves hair at or just below skin surface
- Creates high pH environment that weakens hair bonds
- Often combined with calcium thioglycolate for enhanced effectiveness
Benefits:
- Highly effective on coarse and thick hair
- Works quickly (typically 3-10 minutes)
- Provides smooth results lasting 3-7 days
- More effective than milder alternatives for stubborn hair
Typical Usage: Maximum strength depilatory creams, professional hair removal treatments, and men’s body hair products. Usually 1-5% concentration.
Safety Notes: FDA-approved but regulated for concentration limits. Can cause chemical burns if used incorrectly. Never exceed recommended time. Not suitable for facial use. Patch test required.
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