As the name suggests, Post-Inflammatory Hyperpigmentation(PIH) may occur whenever there is an insult/inflammation to the skin, and the skin reacts by producing more melanin. It is temporary, but may take a long time to heal and resolve without treatment. Unfortunately, it also happens more commonly in darker-skinned individuals.
Treating PIH is not easy and takes time and patience. In my practice, I adopt a combination therapy approach to treat PIH when it happens. The most important "treatment" in my opinion, is to prevent them from happening. In your case, it would be to prevent and treat the acne first to prevent new outbreak from causing more acne PIH marks.
To treat existing PIH marks, the following can be used:
1. Topical therapy - Topical products containing ingredients like tretinoin which increase cell turn over and hence removal of pigmentation, lighteners like hydroquinone, anti-oxidants like vitamin C, as well as cysteamine cream which inhibit melanin production all help with reducing the appearance of PIH marks.
2. Oral supplements like sublingual glutathione, oral carotenoids that can help to inhibit existing melanin synthesis and lighten PIH marks and even out skin tone, as well as oral polypodium leucomotos supplements that can help prevent further damage and darkening of marks from UV radiation.
3. LED light and Laser therapy - In your case, blue LED light will help with your acne, yellow LED light is useful to reduce redness and the Near-Infrared wavelength LED light is iseful for melanin pigment destruction and pigment suppression and hence useful to treat PIH. Lasers like the Dual Yellow Copper Bromide laser, Nd-Yag laser toning and Picolaser toning have all been shown to be useful in the treatment of PIH as well.
As I mentioned, in my practice, often a combination therapy approach gives very good results in the treatment of PIH. You should get a proper assessment by a certified and experienced doctor who will be able to come up with a customised treatment plan for you.
