The flat wart is a viral skin disease. Its pathogens are like common warts. It is a skin neoplasm caused by infection of papillomavirus HPV3 and HPV5. The virus is mainly infected by direct contact. It can also have indirect infection through contaminated objects. Its performances are dispersed distribution with soft nature, smooth top, miliary size and pale brown color. It is above the surface of skin papules. There are many ways for the treatment of flat warts, but the effectiveness has not been quite sure. Cosmetic raw material suppliers declare that: In clinical trials, efficacy in the treatment of flat warts has been significantly improved by using retinoic acid cream combining with transferring factor.
The flat wart is mainly through direct contact, but also by pollutants, such as needles, brushes, towels and other indirect infection. In addition, trauma is an important factor in causing infection, it can usually be found that the flat wart along scratches distribution arranged in cords, and this is an example of the trauma caused by infection. In addition, people with low immunity easily transmitted than normal to flat warts. The flat wart is little risk, but it often occurs in the facial, seriously affecting the patient’s physical and mental health. Current clinical treatment for verruca plana, Chinese Herbs and topical Oral and topical anti-viral drugs, body warts subcutaneous local frozen laser and topical retinoids, but the effects are not very satisfied.
Retinoic acid is a metabolic intermediate of vitamin A, mainly affects bone growth and the promotion of epithelial cell proliferation, differentiation, Keratolytic metabolism. For the treatment of unusual acne, psoriasis, ichthyosis, lichen planus, hair, PRP, hair follicles, keratosis, squamous cell carcinoma and melanoma and other diseases. Patients can buy tretinoin from pharmacies and hospitals.
In recent years, with retinoic acid treatment of flat