Vitamin C + Hyaluronic Acid Hydrabright Day Moisturiser 50ml & VitaminC+ Hyaluronic Acid Hydrabright Night Moisturiser 50ml + Vitamin C + Hyaluronic Acid Hydrabright Serum 60ml Hydrabright day moisturiser contains one of the best forms of vitamin C - L-ascorbic acid, this combined with hydration boosting hyaluronic acid aims to brighten uneven skin tone and re-plump tired, dehydrated looking skin.