SkinBetter Science Alto Defense Serum in a navy blue bottle with a metallic gold cap, 30ml pump container
SkinBetter Science Alto Defense Serum, golden yellow creamy serum with a smooth glossy texture
SkinBetter Science Alto Defense Serum blue and gold rectangular packaging with front and back product details
SkinBetter Science Alto Defense Serum in a navy blue bottle with a gold cap and 3x award winner badge

Skinbetter Science Alto Defense Serum 30ml | Antioxidant Serum


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Daily antioxidant protection for skin exposed to sun, pollution and everyday stress

Alto Defense Serum from Skinbetter Science combines vitamins C and E with 17 more antioxidants, 19 in total, to help defend skin against the environmental oxidative stress behind dullness, uneven tone, fine lines and loss of firmness. It also improves the look of redness and uneven skin tone.

  • 19 antioxidants, including vitamins C and E and coenzyme Q10
  • For the look of dullness, uneven tone, redness and fine lines
  • Morning and evening use
  • Fragrance free, paraben free and dye free

Why an antioxidant serum matters

Sunscreen blocks most UV, but not all of it, and it does little against pollution and other everyday stressors. These create free radicals that break down collagen and cause uneven tone over time. An antioxidant serum under your SPF adds a second layer of defence.

What the evidence shows

Alto Defense Serum was evaluated in a dermatologist led clinical trial in 22 patients using it twice daily for 12 weeks, assessed with unretouched photography.

Who it is for

  • Anyone wanting daily protection from environmental damage
  • Dull or uneven looking skin
  • Skin prone to redness
  • Early fine lines and loss of firmness

How to use

  1. Cleanse and pat skin dry.
  2. Apply a thin layer to the face, neck and chest, morning and evening.
  3. Follow with moisturiser, and a broad spectrum SPF in the morning.

Size: 30ml

What is in it

  • Vitamins C and E and coenzyme Q10: core antioxidants that help neutralise free radicals.
  • Superfood extracts: acai, turmeric, cocoa, green tea, grape seed and olive, rich in polyphenols.
  • Coffee, saffron, superoxide dismutase and ergothioneine: for vitality and radiance.
  • Anti pollution complex: helps protect against environmental stressors.
  • Licorice extract: helps brighten the look of skin.
  • Palmitoyl tripeptide 1: a peptide that supports firmness.

Pairs well with

Antioxidants work best under daily SPF. EltaMD UV Clear SPF 46 Tinted is a lightweight zinc oxide sunscreen that sits well over a serum.

Frequently asked questions

When should I use an antioxidant serum?

Morning is the most important time, under SPF, as that is when skin faces UV and pollution. It can also be used in the evening.

Can I use it with a retinoid?

Yes. Use Alto Defense in the morning and your retinoid in the evening, or apply Alto first in the evening and the retinoid after.

What is the difference between Alto Defense and Alto Advanced?

Both contain 19 antioxidants. Alto Advanced Defense and Repair Serum adds Skinbetter's patented PQQ technology. Alto Defense is the original formula.

Is it suitable for sensitive skin?

It is fragrance free, paraben free and dye free. If your skin is very sensitive, patch test before use.

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