Blackheads Anti-Ageing Breakouts: Paula's Choice Skin Balancing Serum Weightless formula fights blackheads and protects skin from environmental damage. Minimise pores and fight the signs of ageing. This lightweight serum delivers a concentrated blend of antioxidants and retinol to protect skin from environmental damage and minimise visible signs of ageing. Ideal for combination and oily skin, the unique, weightless formula leaves skin balanced, healthy and clear.