Reputation of Dr.G as a dermatologist-backed brand
Multiple reviewers say they trust Dr.G because it targets 'skin with dermatological problems' and have never been disappointed by the brand, driving trial of this product.
Positive online reviews / word of mouth
Several buyers explicitly state they purchased 'because of good reviews' online or because it is 'famous' compared to brands like Banila Co.
Repurchase / loyalty
A very large number of reviews are 2nd, 3rd, or 4th repurchases, with buyers stating they will 'keep buying' or 'never regret' repurchasing.
Price/value promotions
Many reviewers bought it because it was on sale, cheap, or good value compared to premium cleansing oils like Dermalogica or Eve Lom.
Gift or bundled sample
Some consumers received it as a free gift with an Olive Young order or bought it as a gift for a friend, then converted to a paying customer.