Breadcrumbs ![Alex Steinherr’s Expert Guide To SPF](https://media.sheerluxe.com/Wv2vEBtpBJd9q9K9gejjfzdMunE=/800x0/smart/https%3A%2F%2Fsw18.sheerluxe.com%2Fsites%2Fsheerluxe%2Ffiles%2Farticles%2F2026%2F05%2Fguide-to-spf-1905.jpg) Image: Camille Minouflet/Unsplash [Skincare](/beauty/skincare) / 19 May 2026 # Alex Steinherr’s Expert Guide To SPF We all know how important facial SPF is but finding one you actually want to wear can be a process of trial and error. Here, SL beauty contributor Alex Steinherr shares the formulas she rates, as well as her tips for making sure your skin is properly protected… [ Save To My Favourites ](/user/login?destination=/markdownify/node/52518) Image: Camille Minouflet/Unsplash All products on this page have been selected by our editorial team, however we may make commission on some products. Remote video URL ## SHOP THE EDIT ![#3 The Brilliance Tinted Serum SPF 50+ from Rationale](https://media.sheerluxe.com/9RboUjoN6_3XngsYdvjaOIHtj_E=/600x0/smart/https%3A%2F%2Fsw18.sheerluxe.com%2Fsites%2Fsheerluxe%2Ffiles%2Farticles%2F2026%2F05%2Frationale-3-the-brilliance-tinted-serum-spf50.png) [#### \#3 The Brilliance Tinted Serum SPF 50+](https://harrods.prf.hn/click/camref:1100l5D4tv/destination:https%3A%2F%2Fwww.harrods.com%2Fen-gb%2Fp%2Frationale-3-the-brilliance-tinted-serum-spf50-30ml-000000000007974413) ##### Rationale, £135 [ Flag this item ](/user/login?destination=/markdownify/node/52518 "Add product to my favourites") ![Volumize & Restore Sunscreen SPF 40+ PA++++ from SunsolveMD](https://media.sheerluxe.com/pthyCJNiFGFZgrm_ixjcqpF8D5I=/600x0/smart/https%3A%2F%2Fsw18.sheerluxe.com%2Fsites%2Fsheerluxe%2Ffiles%2Farticles%2F2026%2F05%2Fsunsolvemd-volumize-restore-sunscreen-spf-40-pa.png) [#### Volumize & Restore Sunscreen SPF 40+ PA++++](https://harrods.prf.hn/click/camref:1100l5D4tv/destination:https%3A%2F%2Fwww.harrods.com%2Fen-gb%2Fp%2Fsunsolvemd-volumize-restore-sunscreen-spf-40-pa-50ml-000000000007967140) ##### SunsolveMD, £68 [ Flag this item ](/user/login?destination=/markdownify/node/52518 "Add product to my favourites") ![Everyday50 Invisible Face Fluid from Mimétique](https://media.sheerluxe.com/FL8fj3TslMQ07utTHDB65jvJnew=/600x0/smart/https%3A%2F%2Fsw18.sheerluxe.com%2Fsites%2Fsheerluxe%2Ffiles%2Farticles%2F2026%2F05%2Fmimetique-everyday50-invisible-face-fluid_0.png) [#### Everyday50 Invisible Face Fluid](https://www.awin1.com/cread.php?awinmid=59805&awinaffid=69421&platform=dl&ued=https%3A%2F%2Fwww.spacenk.com%2Fuk%2Fsun-tan%2Fsuncare%2Fface-spf%2Feveryday50---invisible-face-fluid-MUK200062895.html) ##### Mimétique, £45 [ Flag this item ](/user/login?destination=/markdownify/node/52518 "Add product to my favourites") ![The Uniform Tinted Mineral Sunscreen SPF 50 from Merit Beauty](https://media.sheerluxe.com/lJ0WxQbP-6BCnvY4huGw2Q6JFiM=/600x0/smart/https%3A%2F%2Fsw18.sheerluxe.com%2Fsites%2Fsheerluxe%2Ffiles%2Farticles%2F2026%2F05%2Fmerit-beauty-the-uniform-tinted-mineral-sunscreen-spf-50.png) [#### The Uniform Tinted Mineral Sunscreen SPF 50](https://meritbeauty.sjv.io/n4yKRA) ##### Merit Beauty, £34 [ Flag this item ](/user/login?destination=/markdownify/node/52518 "Add product to my favourites") ![Anthelios UVAIR Serum Sunscreen SPF 50+ from La Roche-Posay](https://media.sheerluxe.com/9cV0IHytGyzkR4vnK74ac5siZOc=/600x0/smart/https%3A%2F%2Fsw18.sheerluxe.com%2Fsites%2Fsheerluxe%2Ffiles%2Farticles%2F2026%2F05%2Fla-roche-posay-anthelios-uvair-serum-sunscreen-spf50.png) [#### Anthelios UVAIR Serum Sunscreen SPF 50+](https://www.awin1.com/cread.php?awinmid=15729&awinaffid=69421&platform=dl&ued=https%3A%2F%2Fwww.laroche-posay.co.uk%2Fen_GB%2Fanthelios-uvair-serum-sunscreen-spf50%2FLRP_955.html) ##### La Roche-Posay, £20.80 *(was £26)* [ Flag this item ](/user/login?destination=/markdownify/node/52518 "Add product to my favourites") ![Peptide Fix 2-In-1 SPF 50 Tone & Top Up Mist 4% from Nip + Fab](https://media.sheerluxe.com/QS4JYQwmyUwXX5bzPi5XUqhxM28=/600x0/smart/https%3A%2F%2Fsw18.sheerluxe.com%2Fsites%2Fsheerluxe%2Ffiles%2Farticles%2F2026%2F05%2Fnipfab-peptide-fix-2-in-1-tone-top-up-mist-4.png) [#### Peptide Fix 2-In-1 SPF 50 Tone & Top Up Mist 4%](https://www.awin1.com/cread.php?awinmid=5362&awinaffid=69421&platform=dl&ued=https%3A%2F%2Fwww.nipandfab.com%2Fproducts%2Fpeptide-fix-spf-mist) ##### Nip + Fab, £29.95 [ Flag this item ](/user/login?destination=/markdownify/node/52518 "Add product to my favourites") ![OS-01 Lip Shield SPF 15+ from OneSkin](https://media.sheerluxe.com/mk7JSdGwdiirY-iQzYj05FNghSU=/600x0/smart/https%3A%2F%2Fsw18.sheerluxe.com%2Fsites%2Fsheerluxe%2Ffiles%2Farticles%2F2026%2F05%2Fone-skin-os-01-lip-spf.png) [#### OS-01 Lip Shield SPF 15+](https://oneskin.pxf.io/AgjOnJ) ##### OneSkin, £28 [ Flag this item ](/user/login?destination=/markdownify/node/52518 "Add product to my favourites") ![Firm & Replenish Eye Cream SPF 50 from SunsolveMD](https://media.sheerluxe.com/7GWPopqkZwfa2n9TG_yj2AUYsu8=/600x0/smart/https%3A%2F%2Fsw18.sheerluxe.com%2Fsites%2Fsheerluxe%2Ffiles%2Farticles%2F2026%2F05%2Fsunsolvemd-zno-mineral-care-replenish-eyes-spf50.png) [#### Firm & Replenish Eye Cream SPF 50](https://harrods.prf.hn/click/camref:1100l5D4tv/destination:https%3A%2F%2Fwww.harrods.com%2Fen-gb%2Fp%2Fsunsolvemd-sunsolvemd-firm-replenish-eye-cream-spf-50-13ml-000000000007800615) ##### SunsolveMD, £54 [ Flag this item ](/user/login?destination=/markdownify/node/52518 "Add product to my favourites") ![The Solar Shield from Augustinus Bader](https://media.sheerluxe.com/NUjhARVY2DVlIm9agIXcSDtcccg=/600x0/smart/https%3A%2F%2Fsw18.sheerluxe.com%2Fsites%2Fsheerluxe%2Ffiles%2Farticles%2F2026%2F05%2Faugustinus-bader-the-solar-shield-spf-50.png) [#### The Solar Shield](https://www.awin1.com/cread.php?awinmid=59805&awinaffid=69421&platform=dl&ued=https%3A%2F%2Fwww.spacenk.com%2Fuk%2Fsun-tan%2Fsuncare%2Fbody-spf%2Fthe-solar-shield-MUK200063936.html) ##### Augustinus Bader, £120 [ Flag this item ](/user/login?destination=/markdownify/node/52518 "Add product to my favourites") [ ![x](https://media.sheerluxe.com/nVpDa6lehJFSDv5Sd0wAjjL1toA=/600x0/smart/https%3A%2F%2Fsw18.sheerluxe.com%2Fsites%2Fsheerluxe%2Ffiles%2Farticles%2F2026%2F05%2Fbeauty-community-square.jpg) ](https://sheerluxe.the-dots.com/asks/) *more from* Beauty [View All Beauty](/beauty) ![What’s On Our Cyber Monday Wish List At Space NK](https://media.sheerluxe.com/gzgKvLvdgsXwZC8uUmWkMFHeVZY=/200x267/smart/https%3A%2F%2Fsw18.sheerluxe.com%2Fsites%2Fsheerluxe%2Ffiles%2Farticles%2F2025%2F12%2Fspace-nk-cybermon-hero.jpg) [Beauty](/beauty) / 01 December 2025 [## What’s On Our Cyber Monday Wish List At Space NK ](/beauty/whats-on-our-cyber-monday-wish-list-at-space-nk) ![Meet Our 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