Inducing Redness Clinical Study

Inclusion criteria

• Chinese female whose age range from 18 to 60 years old;
• Be in general good health and good mental state;
• Have no any broken, scars, birthmarks and other imperfections on the test area;
• Redness/erythema ≥ grade 2 after modelling inducing (to ensure the consistency of the baseline for comparison);
• Haven't applied Alpha hydroxyl acid in the past 3 months;
• Not currently be participating in any other study involving the test area (Face and Forearm);
• Not have participated in any other study involving the test area in the past one month;
• Be willing to read, understand and able to sign the Informed Consent Form and Photo Release From;
• Be willing to comply with all study protocol requirements.

Exclusion criteria

• Intending to get pregnant, be pregnant, be lactating, be within 6 months of delivery or be unwilling to take necessary precautions to avoid a pregnancy;
• Having used antihistamine drugs in the past 1 week or immunosuppressants in the past 1 month;
• Take anti-allergic drug/injections in the past 1 month;
• Presently have allergies, allergic dermatitis or skin disease;
• Have sensitivity or even allergy to topical products, ingredients or fragranced products;
• Have history of allergies;
• Have history of suffering from skin diseases (such as psoriasis, eczema, psoriasis, skin cancer, etc.);
• Have used any anti-inflammatory treatment on the test area within 2 months prior to this study starting date;
• Has a chronic medical condition that may interfere with testing (e.g., asthma, insulin-dependent diabetes, lupus, rheumatoid arthritis or other immune/auto-immune diseases);
• Have used any scrubs or peeling product (regardless of method) or self-tanning products or oil control products in the past 3 days;
• Have received cosmetic medical procedures on the face (such as injectable anti-wrinkle products, cosmetic surgery, tattoo removal, home light facial procedures or home use medical devices, etc.) in the past 1 month;
• Have excessive sun exposure or ultraviolet light in the past 1 month;
• Have applied ortho-hydroxybenzoic acid, hydroquinone in the past 3 months; or used prescriptions (such as antibiotic, retinoids, alpha hydroxyl acid and steroid), oral contraceptives (such as Diane 35®，Jasmine®， Holgyeme®，Syndi 35®，Regulon®);
• Avoid providing emergency contact;
• Subjects that are not compliant to the selection criteria or not proper for participation as determined by Principal Investigator;
• An employee of the cosmetic companies or Shanghai China-Norm Quality technical service Co., Ltd.