You should not underestimate the usefulness of properly formulated treatment products – we are not talking "over the counter mass retail products" here, but pharmaceutically active compounds backed by proper research.

Probably the best single thing that you can do for your skin is to wear a good sun protector against UVA and UVB light – then there are active, vitamin and glycolic based products and treatments.

Finally, there are prescription only medications indicated for a range of conditions.