Dry Skin Dry skin is different from dehydrated skin, so the first step is finding out which one you have. Dry skin needs help maintaining a healthy skin barrier through long-lasting hydration. Some people prefer the hyaluronic acid from NIOD (a sister brand) due to the slightly sticky texture of the Ordinary one, however it is a more expensive option. What to use in the morning: Hyaluronic Acid 2% + B5 (£6) is great for skin types in need of extra moisture, as this oil-free solution enhances the skin's surface hydration. Natural Moisturising Factors + HA (£5) contains 11 amino acids (great for tissue repair) amongst a cocktail of other hydrating ingredients to provide immediate and long-lasting hydration. What to use in the evening: Hyaluronic Acid 2% + B5 (£6) followed by 100% Plant-Derived Squalane (£5), which is a stable hydrocarbon naturally found in the skin that prevents hydration loss. It is a noncomedogenic and suitable for all skin types. Natural Moisturising Factors + HA (£5) Once a week: AHA 30% + BHA 2% Peeling Solution (£6). Hyaluronic Acid 2% + B5 £6 from asos.com Buy Now Natural Moisturising Factors + HA £5 from lookfantastic.com Buy Now 100% Plant-Derived Squalane £5 from asos.com Buy Now AHA 30% + BHA 2% Peeling Solution £6 from asos.com Buy Now