Melasma is a skin condition that is very difficult to treat. Melasma causes irregular and patchy brown spots on the necks and faces of some women. It generally occurs in pregnant women or those who are taking birth control pills. It is believed that the dark pigmentation that occurs is a result of raised levels of estrogen. Other causes of melasma include sun exposure and genetics. In most cases, melasma will fade after a woman stops taking birth control pills or she gives birth. It may also never completely disappear.
Melasma …

Stretch marks will occur in people who have rapid weight loss or weight gain. This is why it increases when women get pregnant. Stretch marks will not affect anyone physically, but most people do not enjoy the look of them and some people are also self conscious about them.
To reduce the look, some people have used tretinoin on stretch marks.
What is Tretinoin?
Tretinoin is a derived from vitamin A. One of the more popular stretch mark creams is known as Retin-A. Retin-A contains tretinoin that is used effectively as a treatment …