Sucralose is the safest and most widely tested zero-calorie sweetener on the market and approved by all food standard agencies in the world
KPV is an anti-inflammatory peptide that helps calm the immune system and supports microbial balance
Glutathione is known as the master antioxidant and has become a favorite in Korea for achieving that clear, bright, balanced glow that looks effortless and healthy
From my perspective as someone working inside the same manufacturing ecosystem, TY Cosmetic clearly positions itself as a cosmetic brand incubator rather than simply a contract manufacturer

Melanin biology = weeks to months Dose well below studied ranges (e.g., under 250mg) minimal supporting research at very low doses No ALA or NAC in formula these co-factors are commonly included to support glutathione regeneration, though not strictly mandatory No FSSAI number on label illegal in India Prices below 300/month raw material cost makes this difficult at consistent quality Clinical Research: What Studies Actually Show Rather than relying on marketing claims, here's a brief summary of the published research most relevant to oral glutathione and skin brightening: Oral glutathione and skin pigmentation Arjinpathana & Asawanonda (2012), Journal of Dermatological Treatment , found that subjects taking 500mg/day oral glutathione for 4 weeks showed a significant reduction in melanin index compared to placebo in a double-blind randomised trial