Blood purifiers have no relation with skin.in fact Sumtimes it can cause side effects on skin.
To maintain a good glowing skin protect yourself from sunrays by using a sunscreen regularly.
Eat healthy food high in vegetables and fruits and low on carbohydrates.
Antioxidants protect our body and skin from oxidative street,so antioxidants containing medicines prescribed by a registered doctor can maintain a gud skin.
Also u can see a dermatologist who can prescribe you certain topical applications for having a healthy glowing skin.