Thankfully the new wave of high-tech formulations aren’t just waterproof, but also sweat-proof, budge-proof and even cooling.
More reliable than your average cosmetics, it means that you don’t have to panic about your make-up sliding down your face as the barometer soars.
The secret is not to go overboard with too many products.
When it is sweltering try ELF Beauty Shield SPF 50 Skin Shielding Primer (£14.50; elfcosmetics.co.uk).
In a universal tint, this lightweight base will smooth skin, protect against the sun and give your foundation grip so it stays put for longer.
A long-wear concealer, applied wherever you need coverage, can be a face-saving alternative to foundation when temperatures are sky high.
BareMinerals BarePro 16-Hour Full Coverage Concealer (£23; bareminerals.co.uk) is ideal for waterproof, humidity-proof coverage that doesn’t budge or crease.
Available in 10 shades, the handy stick applicator means you can build the coverage to banish dark circles and imperfections.
Another on-the-go base that’s heatwave friendly, Boots No7 Aqua Perfect Cushion Foundation (£17.50; boots.com) is infused with purified water, so it leaves skin feeling instantly cooler and hydrated as you apply.
Ideal for buildable, custom coverage, the cushion applicator puts you in control of how full or light you want your base to be.
Coola Makeup Setting Spray SPF 30 (£39; cultbeauty.co.uk) is SPF meets cosmetic ‘fixer’.
See off the dreaded make-up slide with a clever spritz that fixes and cools.
Coola Makeup Setting Spray SPF 30 (£39; cultbeauty.co.uk) is SPF meets cosmetic “fixer”.
Using hydrating hyaluronic acid, the mist gives your face a matt finish that stays fresh all day.
The bonus is that you get invisible, broad-spectrum UV protection that you can mist instantly over your make-up.
A few spritzes 15 minutes before sun exposure and you’re set. Literally.
Up your lash game with Eyeko Beach Waterproof Mascara (£19; eyeko.com).
Complete with wave-shaped brush, the volumising formula is made for sun, sea and sand conditions.
Completely waterproof and ocean-proof, it also contains coconut oil to smooth your lashes as you’re surfing (or sunbathing).
Avid water babies may want to take a breather from eye make-up altogether when diving in and out of the hotel pool, so try Colorsport 30 Day Mascara Eyelash & Brow Dye Kit (£8.25; boots.com) to give lashes natural-looking permanent colour.
Available in black or dark brown, two applications a month will give you darker-look lashes from root to tip for up to 30 days.
To up the drama for evening, apply regular mascara over the top.
For eyeliner with major longevity, try CYO This Line’s a Keeper Semi-Permanent Eyeliner (£5; boots.com).
Available in four shades – black, brown, metallic blue and metallic grey – it’s water-resistant, smear-proof and should last longer than an all-night Ibiza rave.
The ultra-fine tip means you can build from subtle outline to dramatic flick.
For eyeliner with major longevity, try CYO This Line’s a Keeper Semi-Permanent Eyeliner.
If subtlety is more your thing, experiment with RMK Eyes & Cheeks (selfridges.com), available in four metallic colour crayons.
The light-as-a-feather formula melts into the skin for a lasting glow.
Blend on to eyelids or apply to the tops of cheeks with your fingertip for a hit of summer radiance that won’t look OTT when you’re bathed in sunlight.
Sometimes a hot, bright lip is all you need when you’ve got a holiday glow.
Clarins Water Lip Stains (£19 each; clarins.com) are all about pressed-on colour that can survive the cocktail hour.
Imagine a unique, watery texture and cooling sorbet effect as you apply it.
The stains come in four shades, but Rose Water and Orange Water are made for holiday selfies.
Customise your colour and layer it up for bolder, sunny lips.
If subtlety is more your thing, experiment with RMK Eyes & Cheeks (selfridges.com).
“It was all a blur” was once the thing you said when you couldn’t remember what you’d been up to the night before.
But now the blur concept has gone from post-shenanigans groan to the top of your make-up wish list.
Benefit Hello Happy Soft Blur Foundation (£25.50; benefitcosmetics.com) contains optical spheres that camouflage imperfections brilliantly.
In 12 shades, it is weightless, breathable and, despite providing only light-to-medium coverage, leaves skin looking like you’ve brought a seriously transformational Instagram filter to life.
When the sun comes out, so do the bright shades, and on your holidays is probably the one time you could get away with wearing the rather brilliant – literally – INC.redible Listen Hard Girl, She’s Arrived Neon Lip Paint (£10; nailsinc.com).
The blindingly fluorescent colour glows under UV light and it feels like a lightweight lip butter when applied but packs a powerful pigment.
How brave are you feeling?
Originally created as a children’s brand, due to popular demand Scamp & Dude developed an adult’s range.
Now the gorgeous, multi-use zip bag (cosmetic purse, clutch or baby-change bag – you choose) comes in five new designs.
Each Swag Bag with Purpose (£28; scampanddude.com) sold will result in a donation of £11 (all profits minus VAT) to one of five different charities, including Sarcoma UK and Refuge.
Each Swag Bag with Purpose (£28; scampanddude.com) sold will result in a donation of £11 to charity.
Is it a foundation, is it a bronzer? The warming Guerlain Terracotta Cushion Fresh Bronzing Fluid (£36.50; guerlain.com/uk) is actually both.
Leaving the skin radiant, it corrects uneven skin tone and enhances a natural tan perfectly.
Plus it smells of holidays, thanks to the addition of tiara flower, while its SPF 20 sun protection fends off harmful UV rays.