It helps prevent skin sagging
Collagen production is directly linked to skin elasticity, but also to firmness. When your collagen levels start to drop, your skin might sag. But if you use a vitamin C serum, you might be able to boost collagen production, which will result in an overall tightening effect, as a 2017 review has proven.
When it comes to sagging, the main culprits are natural aging, oxidative stress damage, but also extreme weight loss. This basically means that you can reduce the effects of all those mentioned above, and get that firm and toned skin you’re dreaming of.
It is great against sun damage
Excessive exposure to oxidant stress via pollutants or ultraviolet irradiation is oftentimes associated with depleted vitamin C levels in our skin. Vitamin C levels are also much lower in photodamaged skin, even if researchers are still not sure if it’s a cause or rather an effect.
Sun damage is also caused by some molecules known as free radicals. Free radicals are atoms with a missing electron, and they search for other atoms from which they might “steal” an electron. This process is the reason why our skin is damaged, and that’s why antioxidants like vitamin C are good. They practically “give” these free radicals the missing electron they need, rendering them harmless.