For your skin, that means a lot of things.
You might also see the sun damage creep up in the form of fine lines and dark spots.
This means that dead cells can build up more easily on the surface and can cause discoloration.

It can also cause your skin to lose its elasticity," Dr. Alissia Zenhausern cautions, perModern Dermatology.
Zenhausern recommends hyaluronic acid to boost hydration while making sure to apply sunscreen regularly.
A good retinol product might also help with the appearance of fine lines while increasing collagen production.

The verdict: stick to aroutineand talk to a dermatologist that you (and your skin) approve.