The Regular Acknowledge of Vitiligo —— Part V

12. How to evaluate a therapy for vitiligo?

It is dreamed by many vitiligo patient that recover the white patches on their body. Therefore, how to evaluate the therapy for the vitiligo after a period of treatment? Suggested by the professional specialists, if the patients find the phenomena below, the therapy is valid for the patients.

1) The white patches stop spreading.

2) The margin of the white patches turn into clear from misty.

3) The margin of the white patches turn into dark.

4) The black spots appeared in the white patches.

5) The white patches turn to redness or dark, and the size of the white patches shrink to be smaller.

13. What are the elements decide the skin color?

The elements that influence the skin color are various, and the melanin (the black pigment) is a major element in the determination of skin color. Besides, the increase of other pigments on skin, such as melanoidins, carotene and hemoglobin will also led a darker skin. The thickness of cuticle and granular layer also influence the skin color.

14. Do you know the vitiligo?

According to the researches, the vitiligo population is various in different locations and race. Usually, the rate to discover the vitiligo is higher in the population with darker skin color. The vitiligo is a regional or universal depigmentation diseases that caused by the developing reducing of melanin that laded by the reduce or disappear of the tyrosinase activity. However, the vitiligo is a acquired and primary depigmentation disease, which is not a remaining symptom for other skin diseases.