skincare

Sunscreen active ingredient percentages: How much do they matter?

How much do sunscreen active ingredients' percentages matter? And does anyone even validate companies' SPF claims?

Have you ever thought about how sunscreen SPF claims are validated? Is there some central agency in the U.S. that’s responsible for verifying sunscreen labels' claims, and testing that they truly are broad spectrum? I’m really not sure.

CeraVe Facial Moisturizing Lotion PM Update: What changed in the new formula? (2018 edition)

If you love CeraVe Facial Moisturizing Lotion PM, is the new formula something to panic about? Plus, let's hear My Dad the Chemist's take on the changes.

Note: Check out the latest post about the formula change that occurred in 2020

CeraVe Facial Moisturizing Lotion PM vs. CeraVe Skin Renewing Night Cream Review

A head-to-head battle between two CeraVe night creams. Which one will reign supreme?

CeraVe has quickly become one of my favorite skincare brands. The last time I visited my Dad (the chemist), he was really excited about the effectiveness of ceramides on my baby niece—she used to have red, patches of irritated skin until she started using CeraVe moisturizing cream after her nighttime baths.