Brand trust and repurchase of Round Lab sunscreen line
Many reviewers already used and loved Round Lab's tube or stick sunscreen and bought the cushion as a convenient companion or reapplication format.
Convenience for on-the-go SPF reapplication
A large share of buyers purchased specifically to avoid using fingers or messing up makeup when reapplying sunscreen during the day.
Gifting
Several reviewers bought it as a gift for mothers, friends, or family members, citing the cute compact packaging and ease of use.
Positive word-of-mouth/influencer recommendation
Some Japanese and other reviewers mention seeing it recommended on YouTube or through high ratings before purchasing.
Ingredient reputation / gentle formula
Buyers cite Round Lab's 'clean' and 'gentle' ingredient reputation, with several using it on children or sensitive skin.