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This is one of the prettiest serums from Skin Inc Supplement Bar. The Collagen Serum is a must-have for daily use. Shreya loves pairing it with the Microderma Roller from Kitsch, available on Flip. Together, these products have transformed her face, leaving it smoother and reducing acne scars. To complete her skincare routine, she recommends adding this serum and finishing off with moisturizer. Overall, the Collagen Serum by Skin Inc Supplement Bar is highly recommended for its transformative effects on the skin.