Why Alto Advanced Defense & Repair Serum Works
1. 9 Antioxidants + Patented Allyl PQQ Technology
Packed with vitamins C & E, niacinamide, botanical extracts, peptides, and a patent-pending Pyrroloquinoline Quinone ester, this serum offers robust protection against both environmental and intrinsic (age-related) free radicals allure.com+15them-ethod.com+15brochures.skinbetter.com+15.
2. Clinically Proven to Rejuvenate Photo-Damaged Skin
In a physician-led 12-week trial, users experienced:
42% reduction in skin dullness
Over 90% reported brighter, softer, smoother, and more hydrated skin brochures.skinbetter.com+1cms-prod-aws.lorealdermatologicalbeauty.us+1.
3. Protects & Repairs from Daily Assaults
Studies show it neutralizes up to 53% more oxidative stress vs top-selling antioxidants and reduces UV-induced redness—improving fine lines, tone, texture, and redness by up to 37% aestheticmed.co.uk+1allure.com+1.
4. Rich Ingredient Profile for Skin Health
Key ingredients include:
Allyl PQQ ester (patented antioxidant boost)
Niacinamide & licorice (brightening & tone evening)
Peptides (firming), ceramides & linoleic acid (barrier support)
Botanical blends & soothing extracts (comfort & antioxidant synergy) lorealdermatologicalbeauty.us+15them-ethod.com+15reddit.com+15incidecoder.com+1reddit.com+1dermavenue.com+1aikenmedicalaesthetics.com+1.
What Real Users Report
A Reddit user with acne-prone, sensitive skin says:
“Alto advanced is an amazing antioxidant serum… I’m acne prone and it’s the only antioxidant/vitamin C that hasn’t broken me out.” allure.com+15reddit.com+15brochures.skinbetter.com+15
Another describes it as “liquid gold,” boosting glow and barrier repair without irritation—perfect for those sensitive to pure vitamin C serums reddit.com+1reddit.com+1.
Perfect For
Anyone seeking a powerful yet gentle antioxidant arsenal
Those with visible photo damage or environmental stress concerns
People with sensitive, acne‑prone, or reactive skin needing non-irritating protection
