Healthy adults
Conditions
Interventions
test product
Sponsors
DRC CO., LTD.
Eligibility
Sex/Gender
Female
Inclusion criteria
Inclusion criteria: Those who are concerned about dullness and lack of transparency of the skin on a daily basis, and who take simple care of their skin with lotion and milky lotion only.
Exclusion criteria
Exclusion criteria: (1)Those with red faces (2) Those who have either excessive rough skin, many fine freckle-like spots, or large, dark spots on the skin in the third position. (3) Any skin conditions (urticaria, inflammation, eczema, trauma, acne, pimples, warts, etc., or traces of such conditions) that may affect the results of the study on the skin of the evaluation site. (4) Patients with a history or current history of atopic dermatitis or with a predisposition to atopic dermatitis. (5) Applicants who have undergone or will undergo cosmetic treatment (Botox injections, hyaluronic acid or collagen injections, photofacials, etc.) on the evaluation site during the examination period. (6) Have undergone or are scheduled to undergo special skin care procedures (beauty salons, esthetic clinics, etc.) on the evaluation site within the past 4 weeks. (7) The applicant uses quasi-drug lotions, milky lotions, creams, all-in-one products, serums, and packs as daily skin care products for the evaluation site. (8) Those who use basic skin care products containing vitamin C or health foods containing vitamin C on a regular basis as daily skin care for the evaluated area. (9) The subject continuously uses skincare products, cosmetics, quasi-drugs, or health food products that claim or emphasize efficacy (prevention and improvement of age spots, whitening effect) similar to or related to the efficacy studied in this study on the evaluated area. (10) Exposure to ultraviolet radiation beyond daily activities such as prolonged outdoor work, exercise, swimming, leisure activities, etc., within the past 4 weeks or plans to do so during the study period (e.g., golf, fishing, etc.). (11) Patients who are undergoing treatment (hormone replacement therapy, drug therapy, exercise therapy, diet therapy, etc.) at a medical institution for the treatment or prevention of disease, or whose condition is judged to be in need of treatment at the time of obtaining consent. -and other
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Skin clarity | — |
Countries
Japan
Contacts
Public ContactMasayuki Ito
Vitamin C60 BioResearch Corporation R&D Dept.
Outcome results
None listed