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Fit & sizing
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The details
Verified catalogue information, practical sizing guidance and the details that help you decide.
Protect your skin every morning with Cetaphil Advanced Defence (AM) Serum, clinically proven to strengthen sensitive skin against daily stressors. Formulated with Gallic-AOX Power™, a potent antioxidant complex featuring Gallic Acid and Vitamin E, proven to be two times more effective than Vitamin C for sensitive skin. Combined with Triple Hyaluronic Acid and Niacinamide, this serum deeply hydrates, supports the skin barrier, and visibly improves radiance, pores, and fine lines for a smoother, healthier-looking complexion. This lightweight antioxidant serum helps neutralise surface free radicals—the particles that make skin more vulnerable to damage and sensitivity—while boosting hydration and protecting the skin barrier. Day after day, skin looks healthier, more radiant, and feels stronger against external aggressors. Key Benefits: • Strengthens skin against daily stressors • Neutralises surface free radicals to protect the skin barrier • Visibly improves radiance, pores & fine lines • Deep hydration with Triple Hyaluronic Acid • Supports skin barrier and boosts radiance with Niacinamide • Suitable for sensitive skin and post aesthetic procedure care (such as Intense Pulsed Light or microneedling) Clinically proven results: – 100% protection against oxidative stress¹ – 100% feel skin instantly moisturised³ – 100% noticed boosted radiance in 3 days³ – 28% reduction in visible pores in 4 weeks⁴ – 32% reduction in fine lines in 4 weeks⁵ – 86% reduction in signs of sensitivity⁶ AM | PM Regime: Pair with Cetaphil Repair & Renew Serum overnight to visibly improve overall skin quality of stressed, sensitive skin in just 2 weeks. Cetaphil has been a trusted skincare brand for over 75 years. We are the #1 dermatologist-recommended brand in the UK and the leading sensitive skin research brand worldwide. Our gentle, effective skincare products have been tested in more than 850 clinical trials involving over 32,000 participants. ¹ MDA skin lipid damage test, N=10 ² Catalase level, N=10 ³ Self-assessment questionnaire, N=44 ⁴ Clinical grading, N=40 ⁵ Self-assessment questionnaire, N=40 ⁶ Sensiscale-10, N=44
Your buying guide
Helpful context without inventing specifications the brand or supplier has not provided.
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This item is not sold by a conventional clothing size. Select a colour or configuration above where available.
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Follow the brand care label or product documentation. For leather, jewellery and watches, avoid prolonged moisture, heat and chemical contact.
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Complimentary UK delivery is available over £50. Eligible items can be returned within 30 days in their original, unworn condition.
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In stock in at least one listed variation. Final availability is confirmed before payment.
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