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English Name:  Tretinoin

Content: 98%

Appearance: yellow powder

CAS number: 302-79-4 

EINECS: 206-129-0

Molecular formula: C20H28O2

Molecular weight: 300.44

Melting point: 180-181 °C(lit.)


For acne, psoriasis ichthyosis and abnormal

For acne, fish phosphorus disease and abnormal psoriasis.

Anti skin dyskeratosis medicine.

Matters needing attention:

1 .this product should be kept away from the eye.

2 .should not be used in skin fold sites.

3 .during the course of medication, do not use other drugs can cause skin irritation and damage of cosmetics or cleaning agent, so as not to aggravate the skin reaction, leading to increase in drug absorption and adverse reaction system.

4 .the sun can aggravate the stimulus dimension A acid to the skin resulting in decomposition of A retinoic acid, animal experiments indicated that A retinoic acid can enhance the ability of UV carcinogenesis, so the most appropriate in the evening and bedtime, course of treatment should be to avoid the sun, or the light shading measures.

5 .his product should not be a large area application, dosage should not exceed 20g.