The skin microbiome diversity in female healthy volunteers will be studied along with cosmetic products application in 1 month period. This study is also aimed to investigate the efficacy of cosmetic products on skin rejuvenation. .

The study is conducted in COVID-19 pandemic era, thus every person involved in this study must follow health protocol for COVID-19.

The study procedure, consist of screening visit (D -7), 7-day wash out, baseline visit (D 0), first follow up ( D 14), and second follow up (D 28).

1. Screening visit: obtained Informed Consent, COVID-19 detection by swab RT-PCR, and inclusion and exclusion criteria, wash out product dispensing, and subject's diary dispensing.
2. Baseline visit: Investigator will check vital signs, facial skin value by Cutometer, Mexameter, Sebumeter, Corneometer, Colorimeter, Tewameter, dan pH meter, and kin taping by Corneofix tape. Investigational Products will dispensed in this visit for 2 weeks usage.
3. First follow up: Investigator will check vital signs and facial skin value. Investigational Products will dispensed in this visit for 2 weeks usage.
4. Second follow up: Investigator will check vital signs, facial skin value, and skin taping by Corneofix tape.

All adverse events (AEs) occurred during study will be recorded in Case Report Form.

Inclusion Criteria:

1. female 18-35 years old
2. signed the informed consent

Exclusion Criteria:

1. infected by COVID-19
2. females with skin diseases on face and neck such as atopic dermatitis, skin allergy, acne with moderate and severe degree, seborrheic dermatitis, malignancy
3. females with ongoing skin treatments.

Healthy females