TruSkin Vitamin C Super Serum for Face, 5 Skin Benefits, 1 fl oz | Vitamin C, Retinol, Niacinamide, Hyaluronic Acid and Squalane to brighten, firm, smooth, hydrate, and refine skin

Customers find this Vitamin C serum effective, noting it makes skin look clearer, radiant, and younger, with one customer mentioning it works well under makeup. The product receives positive feedback for its silky texture, lovely fragrance, and good value for money. Regarding skin irritation, while some customers say it doesn't upset their skin at all, others report it made their skin burn or break out.