Description
Our Golden Triple Actives Complex
The Featured Ingredients
Our trio of powerful ingredients that comprise the Golden Triple Actives to refresh your skin's inherent youth.
Alpha-KG
Boosts cellular energy and supports collage production. Helps reduce oxidative stress and signs of aging. Promotes skin firmness and elasticity.
Ascorbic Acid
Powerful antioxidant that brightens skin and evens tone. Stimulates collagen synthesis to reduce fine lines. Protects against UV and environmental damage.
Acidic Polyphenols
Potent antioxidant with anti-inflammatory properties. Helps fade dark spots and soothe irritated skin. Supports skin barrier repair and fights premature aging.
And Enhanced With
Nicotinamide
Reduces wrinkles and hyperpigmentation while boosting collagen and hydration for radiant skin.
Moisture Increase
Reduced ROS
Smoother Appearance
Boosted Radiance
Optimize Your Regimen
The Ideal 3-Step Routine
A complete daily system to reactivate your skin’s self-repair cycle.
Prep
Refresh and Awaken with Cleanser
Day Care
Reinvigorate with Serum + Protect with Lotion
Night Care
Reinvigorate with Serum + Boost with Cream
Hear It From Your peers
What Others Are Saying
I thought I was too far gone for any anti-aging product to work. But this serum proved me wrong. Noticed less puffiness and smoother skin around my eyes. Feels like a mini facelift without the surgery.
It soaks into my skin so fast, no greasiness at all, and my face feels so soft after. I've had stubborn dry patches forever, and they're completely gone now. My go-to for dry weather, for sure.
After menopause, my skin lost its glow and became patchy. This serum literally revived it. Within three weeks, I noticed fewer dark patches and smoother texture. It’s so gentle I even use it around my eyes. My favorite part? No heavy fragrance or sticky feel.
This is the first serum that made a visible difference in firmness and brightness. My skin feels plumper, and even my fine lines seem softer. It gives me confidence to go makeup-free some days. Love the clean ingredients and sustainable packaging.
% of users who expressed the above experience after 4-8 weeks of use.
What is the main advantage for using a serum?
The main advantage of using a serum in skincare typically lies in its high concentration of active ingredients combined with its light, fast-absorbing formulation — allowing deeper and more efficient delivery of those actives into the skin.
How does this Serum differ from other skin longevity products?
Unlike conventional anti-aging products that address only surface concerns like dryness or dullness, this GTA-formulated serum works at a deeper biological level. Its three core actives—alpha-ketoglutarate, ascorbic acid, and gallic acid—work in synergy to counter SEHI, the fundamental trigger of skin aging, by restoring epigenetic antioxidation and repair pathways that sustain youthful cellular function. Complemented by hyaluronic acid, vitamin E, niacinamide, EGCG, and ferulic acid, it delivers intensive antioxidant protection and deep hydration for visibly renewed, resilient, and radiant skin.
How soon will I see results?
Hydration generally improves immediately after application, leaving skin smoother and more supple. In as little as four hours, you can measure a reduction in your biological skin aging level using the Skin Aging Self Test. Visible improvements in texture and radiance typically appear within 3–4 weeks, with continued use enhancing tone, firmness, and overall vitality.
Does this serum contain harmful ingredients?
Not at all. Our vegan formula is composed exclusively of EWG Green–rated ingredients (low hazard score 1–2) and is free from parabens, synthetic fragrances, and other harsh additives—ensuring both safety and purity. The artisanal glass container is also free from risk of leaching microplastics.
Can be this serum used with your other products or with my current skincare routine?
Yes! This serum is designed to integrate seamlessly with other Idunn’s Apple products, forming a targeted skin longevity regimen tailored to your skin’s biological needs. It also layers effortlessly under most skincare and makeup products. For optimal results, apply after cleansing and before moisturizer or sunscreen. Ideally, you should optimize your regimen by first taking a skin aging self test.
How should I store this serum to prevent color change, since it contains vitamin C?
The serum can be stored at room temperature, though refrigeration may help extend its freshness. Unlike many vitamin C formulas that oxidize and yellow over time, this serum remains clear and stable. Its advanced stabilized vitamin C complex as well as light- and oxygen-resistant artisanal glass container preserve both its potency and clarity for longer use.
Already did a skin age test?
Shop by Your Skin Age
Silent Signs Stage (minor SEHI). Goals: slow visible aging through antioxidant protection, balance hydration, and maintain skin smoothness and elasticity.
Rejuvenating Cleanser
Age-Defying Serum
Age-Defying Day Lotion
Age-Defying Night Cream
Longevity System I – Early Intervention (Under 45)
Initial Signs Stage (gradually increased SEHI). Goals: preserve firmness by enhancing antioxidant defense and maintaining moisture retention.
Rejuvenating Cleanser
Age-Defying Day Lotion
Age-Defying Night Cream
Longevity System II – Firmness Reinforcement (45-49)
Active Aging Stage (moderately expressed SEHI). Goals: improve elasticity by intensifying antioxidant defense, increase cell repair, and sustain hydration.
Rejuvenating Cleanser
Age-Defying Day Lotion
Radiant Cell Repair Cream
Longevity System III – Active Repair (50-54)
Visible Structure-Loss Stage (highly expressed SEHI). Goals: rebuild dermal density and resilience by boosting hydration and cell repair while maintaining antioxidant defense.
Rejuvenating Cleanser
Dermal Quench Hydration Serum
Even-Tone Antioxidant Lotion
Radiant Cell Repair Cream
Longevity System IV – Deep Rebuild (55-59)
Functional Aging Stage (severe SEHI). Goals: reactivate cellular renewal, enhance microcirculation, restore vitality and tone through deep hydration, anti-wrinkle care, and antioxidant protection.
Rejuvenating Cleanser
Dermal Quench Hydration Serum
Even-Tone Antioxidant Lotion
Hydro Lift Anti-Wrinkle Cream
Longevity System V – Advanced Renewal (60-64)
Significant Signs Stage (critical SEHI). Goals: support structure preservation and prevent further decline via intensive cell repair, anti-wrinkle action, deep hydration, and antioxidant/dark spot defense.
Rejuvenating Cleanser
Eternal Boost Anti-Wrinkle Serum
Even-Tone Antioxidant Lotion
Hydro Lift Anti-Wrinkle Cream
Longevity System VI – Critical Restoration (65+)
Inside the Lab
Insights From Our Scientists
Citations:
- Li A et al: Ferri ion-dependent epigenetic hydroxylation enhancement-based anti-skin aging. 2025, US patent pending
- Yang J et al.: The study of skin hydration, and wrinkles function improvement of anti-aging cream with alpha-ketoglutarate. J Cosmet Dermatol 2022
- Naeini SH et al.: Alpha-ketoglutarate: a potential regulator for lifespan and healthspan. Evidences and perspectives. Exp Gerontol 2022
- Sand D et al.: Ascorbic acid (Vitamin C) stimulates procollagen production in cultured human dermal fibroblasts and decreases UVB-induced MMP-1 formation following topical application on the dorsal skin of hairless mice. Biol Pharm Bull 2003
- Humbert P et al.: Topical ascorbic acid on photoaged skin: clinical, topographical and ultrastructural evaluation: double-blind study vs. placebo. Int J Cosmet Sci 2003
- Boo YC et al.: Ascorbic acid: emerging combination therapy cosmeceutical to increase dermal collagen for skin antiaging purposes. Antioxidants (Basel) 2022
- Lin FH et al: Ferulic acid stabilizes a solution of vitamins C and E and doubles its photoprotection. J Invest Dermatol 2005
- Kim YJ et al.: Effects of Palmitoyl-KVK-L-ascorbic acid on skin wrinkles and pigmentation. Arch Dermatol Res. 2017
- Saini U et al.: Gallic acid: a potent antioxidant and anti-inflammatory agent in modern cosmeceuticals. Recent Adv Drug Deliv Formul. 2020
- Kumari K et al.: In vitro and in vivo studies disclose the depigmenting effects of gallic acid: a novel skin lightening agent for hyperpigmentary skin diseases. Biofactors. 2013
This product is fine, it moisturizes well and doesn’t have any weird smell, which I appreciate. I did notice a little improvement in overall tone, but it’s slow going. For the cost, I expected faster results. Might work better for others, but for me it’s just okay.
It gives my skin a really nice glow and feels silky. Took about six weeks before I noticed my dark spots lightening, but I’ll keep using it since it’s gentle and keeps my skin hydrated for hours. Feels like a spa treatment in a bottle.
average for me
Age 55
I didn’t expect much, but at my recent check-up my dermatologist asked what I was using because my skin looked calmer and more balanced. That was all the confirmation I needed! My dark spots have faded and my skin looks more luminous. Love that it’s vegan and in a glass bottle.
After menopause, my skin lost its glow and became patchy. This serum literally revived it. Within three weeks, I noticed fewer dark patches and smoother texture. It’s so gentle I even use it around my eyes. My favorite part? No heavy fragrance or sticky feel.