Letilleul Skin Serum Reviews: This may help prevent sunburn, cell death, and dry, wrinkled skin. Carotenoids like beta carotene help keep your skin healthy by acting as a natural sunblock. Be careful as excessive pressure can cause bruising and scarring. For immediate, inflamed, and individual pimples, you can also try acne patches or stickers. These are clear, thick patches that work as spot treatments to help promote blemish healing and prevent infections. Like blister bandages, acne patches pull out the fluid, sometimes overnight.