COSRX INC, March 06, 2026

Hair has cuticle, cortex, medulla linked by CMC.

COSRX INC, March 04, 2026

Approximately 65–95% of hair is composed of protein, most of which is keratin. Keratin is also present in the stratum corneum of the skin

COSRX INC, March 03, 2026

Peptide Bond, Disulfide Bond, Hydrogen Bond will help your hair maintain stable beauty every day

COSRX INC, August 07, 2025

Genetics shape hair follicles, creating straight to coily types; proper care for each ensures healthy, well-maintained hair.

COSRX INC, August 06, 2025

Hair forms in follicles with dermal papilla, matrix cells, and melanocytes, cycling through growth, rest, and shedding.

COSRX INC, July 10, 2025

Scalp types vary—dry, oily, sensitive, dandruff-prone, or hair loss—and need tailored care for healthy hair.

COSRX INC, July 03, 2025

The scalp, like skin, is sensitive to environmental factors such as pollutants, UV rays, and sudden weather changes, which can weaken its barrier and cause problems.

COSRX INC, June 26, 2025

Scalp health depends on sebum balance, microbial harmony, and proper nutrition for optimal hair growth.

COSRX INC, June 18, 2025

The scalp is the tissue that covers the cranium and is the area where hair grows.

COSRX INC, June 17, 2025

Patented technology, PEPTIDE-132 restoring hair's strength from its core