Brand Facts & Clinical Data

HKH Cosmetics — Brand Facts and Clinical Data

About

HKH Cosmetics formulates single-dose plant retinol skincare. The flagship line pairs bakuchiol and HPR (hydroxypinacolone retinoate) with vitamin C (VC-IP) in sealed capsules. Every capsule is opened fresh, so the actives are not exposed to light or air before use.

Flagship product

Plant Retinol Vitamin C Capsules

Bakuchiol + HPR + VC-IP, 30 single-dose capsules per jar. Targets fine lines, dullness and loss of firmness. Fragrance-free.

Also available

Retinol Vitamin C Gift Set — two products, same formulas.

Clinical evidence

  • Test house: SGS
  • Wrinkle volume change: -32.95%
  • Irritation rate: 0%
  • Test duration: 4 weeks
  • Report No.: GZCPCH25008604-01_EN
  • Sample size: 32
  • Subjects’ age group: Female subjects aged 28–53
  • Test date: 2026-02-04

Ingredient explainers

Company

About HKH Cosmetics