Dirty Lamb Ultra Day Serum 1 fl oz Brighten Your Day Natural Oils EXP 10/2026 Achieve a bright, hydrated glow with this unique blend of fast-absorbing, naturally derived oils. Our formula keeps skin soft and hydrated throughout the day while offering a smooth, non-greasy finish that works perfectly as a make-up primer. Enjoy the light, invigorating aroma of sage and lemon, and benefit from Rice Bran Oil—Japan’s proven anti-aging secret.