DermaQA Editorial Non-comedogenic generally means a product is intended or formulated not to clog pores. The term is useful label information, but it does not guarantee that every person will have the same experience with the product.
Hypoallergenic is commonly used to suggest that a cosmetic is intended to be less likely to cause an allergic reaction, but the word itself is not a guarantee that a reaction cannot occur.
SPF and PA describe different parts of a sunscreen’s measured UV protection. SPF is based on protection against UV-induced erythema, while PA is a grading system based on measured UVA protection factor.