Oral beauty (Beauty-from-Within) is one of the fastest-growing segments in the functional food industry. Unlike traditional topical skincare, oral beauty products deliver active ingredients via the gut to improve skin, hair, and nail health from the inside out. The core logic: healthy skin and appendages depend on internal nutrition, not just external application.
Collagen peptides are the foundational ingredient in the oral beauty sector. Hydrolyzed collagen (types I and III) is enzymatically broken down into small peptides with a molecular weight of 2000-5000 Da. Upon ingestion, these peptides are absorbed by the intestines as dipeptides and tripeptides (e.g., Pro-Hyp, Hyp-Gly). These peptide segments specifically accumulate in the skin's dermis, stimulating fibroblasts to synthesize new collagen and elastin. Multiple randomized controlled trials demonstrate that daily supplementation of 2.5-10 g of collagen peptides for 8-12 weeks significantly improves skin elasticity (by approximately 20%), reduces wrinkle depth (by approximately 15%), and enhances skin hydration levels.
Hyaluronic acid is the "hydration engine" of oral beauty. As a natural moisturizing factor, it can bind up to 1000 times its weight in water. When taken orally, hyaluronic acid is absorbed by the intestines and distributed to the skin and joints, boosting skin hydration and improving joint lubrication. Japanese studies show that daily intake of 120-240 mg of hyaluronic acid for 4-8 weeks significantly increases skin moisture and improves dryness and fine lines. The synergy between hyaluronic acid and collagen works as follows: collagen provides the "structural framework," while hyaluronic acid offers "hydration filling." Together, they maintain the skin's plumpness and elasticity.
Keratin is the "building block" of oral beauty. As a primary structural protein in hair, skin, and nails, it contains abundant cysteine that forms strong structures through disulfide bonds. Hydrolyzed keratin peptides are absorbed by the gut to provide essential building materials for hair follicles and nails. Clinical studies show that daily supplementation with 500mg of hydrolyzed keratin over 90 days significantly improves hair shine and strength while reducing nail breakage. The synergy between keratin and biotin (Vitamin B7) is a classic combination for healthy hair and nails: biotin supports keratin metabolism and synthesis, creating a dual guarantee of "raw material supply + metabolic support."
Hong Kong Dynas Group Co., Ltd. offers an oral beauty complex (collagen peptides + hyaluronic acid + keratin + biotin + vitamin C) in the Bone & Structural Integrity Series, available as capsules or powder with OEM/ODM customization. The formula follows a comprehensive logic: structural support (collagen), hydration (hyaluronic acid), keratin repair, and metabolic support (biotin + vitamin C). We provide professional contract manufacturing solutions for beauty and health brands.
