Certain skin products for me. It makes such a big difference to get some well recommended brands rather than risk it with a random one.

Cetaphil and Cerave are usually solid, and otherwise I refer to the CDA when unsure:

https://dermatology.ca/recognized-products/skincare/ (note that you can scroll within the list to see everything)

The list is for stuff that is

• Low potential for irritation
• Fragrance free or unscented
• Do not contain the most common allergens
• Non-comedogenic

But I specifically look for non-comedogenic and fragrance free. The latter because my old workplace had this as a requirement, and now I prefer it