https://www.spfguide.co.uk/ An independent UK buyer's guide to sun protection. We score sunscreen formulation categories out of 100 against published standards, explain how to read an SPF label, and never name a brand or take a penny for placement. en-GB Sun, 09 Aug 2026 15:31:53 +0000 Northbank Media 2026 Northbank Media editorial@spfguide.co.uk (Northbank Media) https://www.spfguide.co.uk/learn/vitamin-d-and-sunscreen https://www.spfguide.co.uk/learn/vitamin-d-and-sunscreen Fri, 31 Jul 2026 09:00:00 +0000 What the evidence says about sunscreen use and vitamin D levels, why UK winters are the real problem, and what NHS guidance recommends on supplementation. A calm look at a common worry. SPF Guide https://www.spfguide.co.uk/learn/uva-vs-uvb-and-what-pa-means https://www.spfguide.co.uk/learn/uva-vs-uvb-and-what-pa-means Fri, 31 Jul 2026 09:00:00 +0000 The difference between UVA and UVB, how UVA protection is rated in the UK with the circled UVA mark and stars, and how the Japanese PA system compares. A plain guide to reading the label. SPF Guide https://www.spfguide.co.uk/learn/reef-safe-sunscreen-claims-examined https://www.spfguide.co.uk/learn/reef-safe-sunscreen-claims-examined Fri, 31 Jul 2026 09:00:00 +0000 Reef safe is not a legally defined or certified term in the UK. Here is what the research on UV filters and coral actually shows, which destinations restrict which filters, and how to read the claim. SPF Guide https://www.spfguide.co.uk/learn/how-spf-is-tested https://www.spfguide.co.uk/learn/how-spf-is-tested Fri, 31 Jul 2026 09:00:00 +0000 How SPF is measured in the laboratory, what ISO 24444 and the newer in vitro methods involve, and why the number on a UK sunscreen rarely describes what happens on your skin. SPF Guide https://www.spfguide.co.uk/learn/how-much-sunscreen-to-actually-apply https://www.spfguide.co.uk/learn/how-much-sunscreen-to-actually-apply Fri, 31 Jul 2026 09:00:00 +0000 The tested dose is two milligrams per square centimetre. Here is what that means in teaspoons for a body, fingers for a face, and what happens to your protection when you apply less. SPF Guide https://www.spfguide.co.uk/learn/does-sunscreen-expire https://www.spfguide.co.uk/learn/does-sunscreen-expire Fri, 31 Jul 2026 09:00:00 +0000 How to read period after opening symbols and expiry dates on UK sunscreen, what heat does to a formulation, and the signs that a bottle should be thrown away rather than trusted. SPF Guide https://www.spfguide.co.uk/learn https://www.spfguide.co.uk/learn Fri, 31 Jul 2026 09:00:00 +0000 Six plain guides to sun protection standards and evidence: SPF testing, UVA ratings, application dose, expiry, reef safe claims and vitamin D. SPF Guide https://www.spfguide.co.uk/best/water-resistant-sunscreen https://www.spfguide.co.uk/best/water-resistant-sunscreen Fri, 31 Jul 2026 09:00:00 +0000 An independent UK review of water resistant sunscreen formulations. We explain the 40 and 80 minute test criteria and score emulsions, hybrids, sticks and sprays. No brands named. SPF Guide https://www.spfguide.co.uk/best/sunscreen-for-sensitive-skin https://www.spfguide.co.uk/best/sunscreen-for-sensitive-skin Fri, 31 Jul 2026 09:00:00 +0000 An independent UK review of sunscreen formulations for reactive skin. We score fragrance free mineral creams, hybrids and organic fluids on irritation risk and protection. No brands named. SPF Guide https://www.spfguide.co.uk/best/sunscreen-for-dark-skin-tones https://www.spfguide.co.uk/best/sunscreen-for-dark-skin-tones Fri, 31 Jul 2026 09:00:00 +0000 An independent UK review of sunscreen formulations for deep skin tones. We score tinted hybrids, clear organic fluids and mineral creams on cast, visible light protection and pigmentation. SPF Guide https://www.spfguide.co.uk/best/sport-and-outdoor-sunscreen https://www.spfguide.co.uk/best/sport-and-outdoor-sunscreen Fri, 31 Jul 2026 09:00:00 +0000 An independent UK review of sunscreen formulations for sport and long outdoor days. We score very water resistant emulsions, sticks, hybrids and sprays on sweat, friction and reapplication. SPF Guide https://www.spfguide.co.uk/best/mineral-sunscreens https://www.spfguide.co.uk/best/mineral-sunscreens Fri, 31 Jul 2026 09:00:00 +0000 An independent UK review of mineral sunscreen formulations. We score zinc oxide creams, tinted mineral fluids, sticks and powders against published standards. No brands, no paid placement. SPF Guide https://www.spfguide.co.uk/best/kids-sunscreen https://www.spfguide.co.uk/best/kids-sunscreen Fri, 31 Jul 2026 09:00:00 +0000 An independent UK review of children's sunscreen formulations. We score fragrance free mineral creams, kids' lotions, sticks, roll-ons and aerosols on protection, dose and tolerability. SPF Guide https://www.spfguide.co.uk/best/face-sunscreen-under-makeup https://www.spfguide.co.uk/best/face-sunscreen-under-makeup Fri, 31 Jul 2026 09:00:00 +0000 An independent UK review of face sunscreen formulations worn under makeup. We score fluids, gel creams, tinted minerals and SPF in cosmetics on layering, dose and reapplication. SPF Guide https://www.spfguide.co.uk/best/chemical-sunscreens https://www.spfguide.co.uk/best/chemical-sunscreens Fri, 31 Jul 2026 09:00:00 +0000 An independent UK review of chemical sunscreen formulations. We score modern broad spectrum filter systems, avobenzone lotions, hybrids and alcohol sprays. Categories only, never brands. SPF Guide https://www.spfguide.co.uk/best https://www.spfguide.co.uk/best Fri, 31 Jul 2026 09:00:00 +0000 All eight sunscreen category reviews from SPF Guide. We score formulation types out of 100 against published standards. No brands, no products, no paid placement. SPF Guide