Summer essentials: high protection SPF that seriously hydrates PLUS our iconic tote. Save £10 when you buy together.
Second Skin SPF 50 is suncare that feels like skincare:
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SERIOUS HYDRATION.
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NO WHITE CAST.
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NON-STICKY, NON GREASY
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BROAD-SPECTRUM PROTECTION.
And then there's the 'Just a woman with sh*t to do' tote bag. Need we say more?
Buy together and you save £10 (RRP: £52, You pay £42).
What's so special about Second Skin SPF 50?
Modern photostable filters, four types of hyaluronic acid, no white cast, absorbs instantly, and formulated to be safe for sensitive skin. Skin that feels better at 6pm than it did at 8am. Second Skin because you forget you're wearing it, and that's the point.
Built for real life, works under makeup and on its own. No excuses left, really.
Complete your routine
What it does
What it does
It protects. SPF 50 broad-spectrum coverage against UVA and UVB. The filter system combines Tinosorb S, Avobenzone, Octisalate, and Ensulizole, four modern filters working together to deliver high protection in a lightweight, invisible formula.
It hydrates seriously. Four types of hyaluronic acid working at different depths and durations: surface hydration, deeper penetration, longer-lasting moisture retention, and low molecular weight delivery. Four forms working together is unusual in sunscreen. This is why your skin feels hydrated at 6pm rather than tight and parched.
It feels like nothing. No white cast, non-greasy, absorbs instantly. Natural finish with a very subtle healthy glow. The first SPF you look forward to applying and reapplying.
It's actually skincare. Niacinamide for tone and barrier support. Panthenol for soothing. Vitamin E for antioxidant backup. Cotton stem cell extract for skin resilience. An SPF that improves your skin instead of just sitting on it.
How to Use
How to Use
Apply in the morning after moisturising and before makeup. Use generously. About two finger-lengths for face and neck. Reapply every two hours in direct sun, or after swimming or sweating.
Key ingredients
Key ingredients
Four-Filter UV Protection: Four modern filters working together to deliver SPF 50 broad-spectrum coverage in a lightweight, invisible formula..
Four-Type Hyaluronic Acid Complex: Sodium hyaluronate for immediate surface hydration. Sodium acetylated hyaluronate for better adhesion and penetration. Sodium hyaluronate crosspolymer for longer-lasting moisture retention. Hydrolyzed sodium hyaluronate for low molecular weight delivery. This is serum-level hydration in a sunscreen.
Niacinamide: Helps with tone, texture, and barrier support.
Panthenol: Pro-vitamin B5. Designed to make the formula soothing and hydrating.
Free from parabens, phthalates, alcohol, fragrance, and essential oils
INCI: Aqua, Ethylhexyl Salicylate, C12-15 Alkyl Benzoate, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Phenylbenzimidazole Sulfonic Acid, Dicaprylyl Carbonate, Niacinamide, Silica, Butyl Methoxydibenzoylmethane, Sodium Polyacryloyldimethyl Taurate, Aminomethyl Propanol, Panthenol, Propanediol, Glycerin, Caprylyl Glycol, Sodium Stearoyl Glutamate, Tocopheryl Acetate, Gossypium Herbaceum Callus Culture, Caprylhydroxamic Acid, Xanthan Gum, Disodium EDTA, Pentylene Glycol, Citric Acid, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Hydrolyzed Sodium Hyaluronate, Ethylhexylglycerin.
TIPS & DETAILS
TIPS & DETAILS
Vegan. Dermatologist tested. Fragrance-free. Safe for sensitive skin.
At least two finger-lengths for face and neck. Your neck is also skin.
Using actives like AHAs or retinoids? SPF is non-negotiable the morning after, and this one makes it easy.
Packaged in Innerbottle®: a bottle with an airless balloon inside that collapses as you pump, leaving less than 1% of product behind. Outer bottle easily recyclable with no rinsing required. One thing: please don't unscrew the pump until the bottle is completely empty.
What our customers have said
CONSUMER STUDY RESULTS
Results based on an independent consumer perception trial consisting of 60 women over 4 weeks.
- 91.6% agree it feels lightweight on the skin
- 88.3% agree invisible finish, no white cast, no residue
- 88.3% agree skin feels hydrated throughout the day
- 88.3% would recommend to a friend
- 86.6% agree it layers well under makeup
- 85% agree it absorbs instantly
- 71.6% say it's better than their current SPF
Before
After
Before
After
Before
After
Before
After
Real Consumers, Real Results Results within 4 weeks
Results based on an independent consumer perception trial consisting of 60 women over 4 weeks. Images have not been retouched.
Formulated With
Modern Filter Protection
Tinosorb S, Avobenzone, Octisalate, and Ensulizole. Four modern filters working together to deliver SPF 50 broad-spectrum coverage in a lightweight, invisible formula.
FOUR-TYPE HYALURONIC ACID COMPLEX
Sodium hyaluronate for immediate surface hydration. Sodium acetylated hyaluronate for better adhesion and penetration. Sodium hyaluronate crosspolymer for longer-lasting moisture retention. Hydrolyzed sodium hyaluronate for low molecular weight delivery. Four forms working together is unusual in skincare, let alone in sunscreen. This is why your skin feels hydrated at the end of the day rather than tight.
Niacinamide
Tone, texture, barrier support. Doing several jobs quietly.
Panthenol
Pro-vitamin B5. Soothing and hydrating. The ingredient that makes this formula tolerable for skin that usually reacts to sunscreen.
COTTON STEM CELL EXTRACT
Supports skin resilience over time. Not a quick-fix ingredient. A long-game one.
From the founder
Accutane twice. Lasers in Korea. £300 creams. Sephora's highest loyalty tier. I've tried it all and most of it was fine. Fine is the problem. So I spent a year researching what actually works, writing product briefs so detailed one lab said they'd never seen anything like it. If a formula can't be smarter or better than what's already out there, we don't make it.
x Assel
Second Skin SPF 50 FAQs
What is the full ingredient list (the INCI) for the Second Skin SPF 50?
Aqua, Ethylhexyl Salicylate, C12-15 Alkyl Benzoate, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Phenylbenzimidazole Sulfonic Acid, Dicaprylyl Carbonate, Niacinamide, Silica, Butyl Methoxydibenzoylmethane, Sodium Polyacryloyldimethyl Taurate, Aminomethyl Propanol, Panthenol, Propanediol, Glycerin, Caprylyl Glycol, Sodium Stearoyl Glutamate, Tocopheryl Acetate, Gossypium Herbaceum Callus Culture, Caprylhydroxamic Acid, Xanthan Gum, Disodium EDTA, Pentylene Glycol, Citric Acid, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Hydrolyzed Sodium Hyaluronate, Ethylhexylglycerin
What type of skin is Second Skin SPF 50 designed for?
All skin types, including sensitive. Fragrance-free, no essential oils, no known sensitisers. Dermatologist tested. Safe for sensitive skin.
Is Second Skin SPF 50 reef-safe?
It contains no oxybenzone or octinoxate, the two filters most associated with reef damage.
Can I wear Second Skin SPF 50 under makeup?
Yes. It absorbs instantly with no white cast or grease. Apply, let it settle for a minute, then carry on with your routine. 86.6% of trial participants agreed it layers well under makeup.
How often do I need to reapply Second Skin SPF 50?
Every two hours in direct sun, or after swimming, sweating, or towel-drying. Sunscreen wears off through movement, contact, and sweat regardless of formula.
How much should I apply?
At least two finger-lengths for face and neck. Most people apply about half that, which significantly reduces the actual SPF protection you get. Apply generously.
Is Second Skin SPF 50 a chemical or mineral SPF?
It's a chemical SPF using five modern filters. We chose chemical filters because they absorb invisibly with no white cast and no chalky finish, which is what makes daily wear realistic. Both chemical and mineral SPFs are safe and effective when properly formulated.
Will Second Skin SPF 50 sting my eyes?
No. The formula is fragrance-free, safe for sensitive skin and dermatologist tested. However, this product is for external use only and direct contact with eyes needs to be avoided.
Is Second Skin SPF 50 pregnancy-safe?
We always recommend checking with your GP or midwife before changing your skincare routine during pregnancy. The formula contains no oxybenzone, but your doctor is the right person to advise.
Can I use Second Skin SPF 50 with retinoids?
Yes, and you should. Retinoids increase sun sensitivity, so SPF is non-negotiable the morning after. This one makes it easy.
What does Innerbottle® mean?
The bottle has an airless balloon inside that collapses as you pump, leaving less than 1% of product behind. The outer bottle is easily recyclable with no rinsing required. Don't unscrew the pump until the bottle is empty.
If it's not working for your skin, email us and we'll refund you.
We made these products to a standard we're confident in. The guarantee is because you're new and you don't know us yet.
