TRADER JOE'S Retinol Night Serum helps revitalize skin overnight. This dermatologist-formulated serum combines the power of 0.3% retinol with the nourishing benefits of baobab seed oil. It works to reduce the appearance of fine lines and wrinkles while improving skin texture and tone. Simply apply nightly to clean, dry skin for a smoother, more youthful-looking complexion. The serum's gentle formula makes it suitable for most skin types.