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Seek out a well-established and knowledgeable dermatologist. Talk to a professional about removing (acne) scars. Stop chronic skin issues so you are no longer bothered.
The main reason for going to a dermatologist is that they can tailor products and skincare routines specifically to you and your concerns.  Research in to potential dermatologists you want to see. Read reviews and articles on the company and actual doctors to see if they are legitimate, and suited for your needs. Professional help on stubborn skin is help you may not be equipped to provide on your own. Consider seeing a dermatologist as a last resort. Try using home remedies and changing your diet for at least two months to see if your skin clears or improves in ways you want it to. If this fails, then find help. Scar removal can be a priority for those who want healthier looking skin. These procedures can be expensive so make sure to look in to local professionals who can administer them at a price reasonable for you.  This is a quick fix for visibly different looking skin. It can be done on your own with at-home with bleaching creams, or scrubbing brushes. Look for microdermabrasion or dermabrasion procedures to remove top layers of damaged skin. Removing scars can also even out the pigmentation of your skin. If you suffer from stubborn acne or other issues, a dermatologist can either recommend the perfect product(s) or procedures to get your skin back to its healthy looking self.  A dermatologist can help you understand your own skin, why it is the way it is, and how you are perpetuating the problem or starting new ones. Even if you don't have a chronic skin issue and you notice something isn't quite right about your skin, it doesn't hurt to go in for a consultation with a dermatologist just to see what's happening.