Karishma on Instagram: "Who has the best skin in your family? Our skin does renew itself — on average every 27 to 30 days, the outer layer (epidermis) regenerates as old cells shed and new ones form. This continual cycle helps maintain healthy skin, but it slows with age, which is why wrinkles appear over time. However, deep scars and tattoos aren’t replaced by this cycle because they occur in deeper layers (dermis) that don’t constantly renew. So while fresh skin feels great, long-term marks st

AI | Technology | Innovation | Inventions on Instagram: "Tattoos last because the ink is placed in the one layer of skin that doesn’t constantly shed. A tattoo needle deposits pigment into the dermis, the deeper, stable layer beneath the epidermis. Your epidermis renews and flakes off every few weeks, but the dermis holds its structure, so the pigment stays put instead of being carried away with normal skin turnover. Your immune system then locks it in. Macrophages rush in to “clean up” the fore