Placebo Controlled Efficacy Evaluation of the Hydrolyzed Collagen Peptide In Adult Females

Inclusion Criteria: * Female volunteers aged between 35 and 60 years, * Volunteers who have normal physical examination at screening visit, * Volunteers who have ability to communicate adequately with the investigator and in agreement to comply with the study requirements, * Volunteers who have normal blood pressure and heart rate measured under stabilised conditions at the screening visit after at least 5 minutes of rest under supine position: SBP within 100 to 140 mmHg, DBP within 60 to 90 mmHg and HR within 50 to 100 bpm at least after 5 minutes of rest, * Volunteers who have understanding of the study and agreement to give a written informed consent. Exclusion Criteria: * Who have atopic constitution or asthma and/or known allergy for biosynthetic collagen products and/or other any of the excipients of the product. * Who have hereditary problems of galactose intolerance, the Lapp lactase deficiency or glucose-galactose malabsorption. * Who have the use of oral retinoids or oral steroids in the 6 months prior to initiation of the study. * Who have the use of topical retinoids, anti-wrinkle cosmetic products including retinol and/or AHA, or moisture-rich cosmetic products within the 3 months prior to initiation of the study. * Who use skincare therapy using lasers or peeling within the 3 months prior to initiation of the study. * Who have current participation in another clinical study, or participation in any type of dermatology study within 3 months. * Who have any history or presence of clinical relevance of cardiovascular, neurological, musculoskeletal, haematological, hepatic, gastrointestinal, renal, pulmonary, endocrinological, metabolism or psychiatric disease, any type of porphiria. * Who have the presence or history of malabsorption or any gastrointestinal surgery except appendectomy or except herniotomy. * Who had undergone, or planned to undergo, pregnancy or breastfeeding. * Who have current intake of contraceptives, female hormones, obesity drugs, absorption inhibitors, antidepressants, or appetite suppressants. * Who are suspected to have a high probability of non-compliance to the study procedure and/or completion of the study according to the investigator's judgment. * Who have history of drug abuse. * Who have relationship to the investigator. * Who are not suitable to any of inclusion criteria. * Who have history of difficulty of swallowing. * Who are on a special diet due to any reason, or, have gained or lost 5% of baseline weight.