MUA Peptide Balm – Caramel Glaze for Glossy & Nourished Lips: Tripeptides & Hydrating Oils for Volume & Repair. The MUA Hydra Juice Peptide Balm – Caramel Glaze is a gloss balm infused with tripeptides, jojoba oil and vitamin E, designed to nourish, repair and plump the lips. The Caramel Glaze Shade is a nude tint with a caramel flavor and glossy finish. Vegan Formula & Natural Lip Boost. Its vegan formula with Palmitoyl Tripeptide-1 helps improve lip texture and reduce fine lines, while the gloss balm glides on effortlessly for a natural, luminous look. Perfect for everyday wear or layered over lipstick. 100% VEGAN & CRUELTY FREE.