Get your first Dermatica treatment for just £2.90 with TOTUM, then enjoy 20% your next treatment! In need of tailored, prescription-strength skincare that really targets your skin concerns? Dermatica provides online prescription treatments for ageing skin, hyperpigmentation, acne, acne scars, rosacea and melasma, with its expert dermatology team always on hand to provide customers with ongoing support and consultations.