Kerastim® S is a water-soluble L-cystine derivative, an essential amino acid for hair and nail keratin. It functions as an anti-hair loss and hair fiber restorer, nourishing the hair in depth and improving the quality of the scalp under rinse-off conditions.

INCI Name: Tetrasodium Disuccinoyl Cystine

Functions: Anti-Hair Loss Agent, Restoring Agent

Labeling Claims: Biodegradable, Preservative-free, Ulta Beauty's Conscious Beauty

Benefit Claims: Anti-Dandruff, Hair Straightening, Highly Restructuring, Improves Cohesion, Nourishing, Prevents Hair Loss, Rejuvenating, Restoring, Scalp Protection Effect, Stimulating, Substantivity

Certifications & Compliance: ISO 16128

Knowde Enhanced TDS

Identification & Functionality

Cosmetic Ingredients Functions
EINECS No.
460-360-3

Features & Benefits

Applications & Uses

Application Format
Skin Care Applications
Use Level
0.25 - 5%
Applications
  • Hair Care
    • Hair Fiber Nutrition
    • Anti Hair Loss control
    • Care for Damaged Hair
    • Scalp Care

Properties

Physical Form
Preservative System

Preservative-free

Regulatory & Compliance

Certifications & Compliance

Packaging & Availability

Country Availability
Regional Availability
  • Australia
  • Canada
  • Europe
  • Japan
  • USA