Duo helps brighten, minimise the look of uneven tone & shield against signs of ageing triggered by UV light. Save 40% on 2 full-sizes (worth £157) Vita-C Glycolic Serum evens tone to reveal radiant, healthier-looking skin. City Skin™ Age Defense Broad Spectrum SPF 50 shields against digital blue light damage, UVA, UVB & pollution. Vita-C Glycolic Serum 30ml - A clinically proven serum that helps improve the look of hyperpigmentation and uneven tone for dramatically brighter, healthier-looking skin. Powered by one-of-a-kind Vita-C Complex that enhances L-ascorbic acid stability and potency to brighten skin. As well as glycolic acid that exfoliates dulling surface cells to enhance vitamin C delivery. City Skin™ Age Defense Broad Spectrum SPF 50 I PA ++++ 50ml - A 100% mineral, indoor/outdoor SPF that shields against digital blue light damage, UVA, UVB & pollution. This formula absorbs quickly with NO ashy residue and leaves a luminous, pearlised finish on the skin. It's suitable for all skin types, including sensitive skin and is fragrance-free.