Ingredient Science Explained

Anti-aging Has-faq Plant-retinol Retinol Sensitive-skin Serum-capsules Skincare-faq Vitamin-c

FAQ - Frequently Asked Questions

Everything you need to know about HKH Cosmetics serum capsules — usage, ingredients, skin concerns, and shipping. Learn why capsule format protects potency and how to choose between Retinol and Vitamin C.
Skincare Safety
Anti-aging Bakuchiol Faq Has-faq Hpr Plant-retinol Sensitive-skin Skincare-science

Skincare Safety: HKH Plant Retinol Matrix FAQ

Advanced clinical Q&A on the HKH Plant Retinol Time Capsule — covering sensitive skin tolerance, acne-prone compatibility, daytime photostability, pregnancy safety, and the science behind our biodegradable single-dose capsule packaging.
Plant Retinol formulas combine bakuchiol with HPR
Anti-aging Bakuchiol Has-faq Ingredient-science Plant-retinol Retinol Sensitive-skin

Bakuchiol vs Retinol: Which Is Better for Sensitive Skin?

Bakuchiol and retinol both target fine lines and collagen production — but they work very differently. Discover which ingredient is right for your skin type, and why HKH combines bakuchiol with next-generation HPR for powerful,...
HKH Plant Retinol Time Capsule
Anti-aging Face serum Fine lines Has-faq Hkh Plant retinol Retinol alternative Sensitive skin Skincare routine Time capsule Vitamin c

The Science of Gentle Anti-Aging: Your Q&A Guide

Discover how the HKH Plant Retinol Time Capsule delivers powerful anti-aging results—smoothing fine lines, improving skin tone, and boosting elasticity—without the irritation of traditional retinol. Perfect for sensitive skin.