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Hydration and sunscreen, made easier to browse
A moisturizer, a hydrating serum and a sunscreen can all have a place in a routine, but they answer different product questions.
Moisturizer vs. hydrating serum
The American Academy of Dermatology describes moisturizers as products that add moisture and help limit water leaving the skin; they can include lotions, gels, creams and ointments. A hydrating serum is a different formula type, so use the product page to compare its ingredients and directions. Explore moisturizers and serums.
Read the sunscreen label
The American Academy of Dermatology recommends broad-spectrum sunscreen with SPF 30 or higher and water resistance. Water-resistant labels identify 40 or 80 minutes of protection while swimming or sweating; the FDA requires directions about reapplication. Explore sunscreen.
Use the product directions
Apply and reapply sunscreen as its label directs. The American Academy of Dermatology advises reapplying every two hours outdoors and after swimming or sweating; product directions remain the final reference for the formula you choose.
Need individual guidance?
For advice about your own skin, recovery or medical care, contact HPS or speak with your treating clinician.
Sources: American Academy of Dermatology moisturizer guidance; AAD sunscreen guidance; FDA sunscreen labeling guidance. Source links checked September 7, 2026.