The purpose of this randomized, double-blind, placebo-controlled study will be to evaluate whether the daily intake of Keranat™ for 24 weeks can promote the gloss and elasticity of hairs, improve their density and strength, and reduce hair loss.

Inclusion Criteria:

• Age 19 and 60
• Hair gloss score of 3 or less and a hair damage score of less than 18 according to the visual evaluation classification method.
• Willing to maintain the same hairstyle, hair color, hair length, and hair regimen throughout the study period.
• Subject must be able to comprehend and voluntarily sign study procedures and consent forms.

Exclusion Criteria:

• Those diagnosed with and receiving treatment for the alopecia within 3 months before screening(androgenetic alopecia, alopecia areata, Telogen effluvium, etc.)
• Use of that may affect hair or hair loss symptoms treatment medicine, dietary supplements, or treatments containing herbal medicine ingredients within 3 months before screening.
• Any active scalp or skin disease that may interfere with the study treatment and evaluations.
• Pregnancy or breastfeeding or planning pregnancy
• Case of abnormal values at creatinine (excess at the upper limit of the reference range)
• Case of abnormal values at ALT or AST (2 times excess at the upper limit of the reference range)