16 of the Best Beauty Products at Trader Joe's — All Under $10

Trader Joe's Retinol Night Serum ($10)

Whether you're a retinol beginner or a pro, this night serum is an affordable treatment that's gentle and effective. It contains a 0.3 percent concentration of retinol along with hyaluronic acid, vitamins C and E, salicylic acid, and baobab-seed oil. This serum will help brighten your complexion and even out your skin tone and texture.