acne | BeautyStat.com - Part 8
 

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Dark spots can be caused by a number of things, including exposure to the sun (age spots, sun spots, liver spots, solar lentigines, or senile freckles), inflammation from things like acne or psoriasis (post-inflammatory hyperpigmentation), hormonal changes (melasma), and healing or healed wounds to the...

When to use vitamin C Serum is really not hotly debated. Vitamin C serum is a powerful antioxidant that, along with sunscreen, can help prevent damage to your skin from harmful ultraviolet (UV) rays which can cause signs of premature aging such as fine lines...