Seborrheic keratosis--or SK's as dermatologists call them--are superficial growths that look like little brown flat warts and normally start to appear in your 40s.
UVA and UVB rays are the part of the electromagnetic spectrum that produce aging of the skin and skin cancer. We need UV radiation to produce Vitamin D but we need it in moderation.
Death by a thousand needles... Who knew that this would be the world's favorite beauty treatment overnight.
