OGX Shea Butter Liquid Glass Serum. OGX Shea Butter Liquid Glass Serum is a totally indulgent blend of shea butter to instantly protect your hair with our unique nutrient infusion and hydrolyzed silk proteins. Protects, smoothes, conditions, and shines your hair. Yogurt proteins, shea butter, and vitamins smooth, seal, and shine, conditions, and detangles dry, damaged hair, while preventing frizz and helping to prevent damage, giving your hair the radiant glow of glass.