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Longevity System I - Early Intervention (Under 45)
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Longevity System I – Early Intervention (Under 45)

Includes: Age-Defying Serum, Age-Defying Lotion, Age-Defying Cream, Rejuvenating Cleanser

Optimized For: Skin age below 45, all skin types

Key Benefit: Slows the onset of early aging by strengthening antioxidant protection, restoring balanced hydration, and maintaining smoothness and elasticity for a visible and youthful appearance.


Features
  • Complete bundle of synergistic skincare products for an optimized regimen
  • Proven to improve the look of fine lines, wrinkles, radiance, and smoothness
  • 72-hour moisture retention and 16-hour antioxidant protection
  • GTA™ (Golden Triple Actives) formulation targets the root causes of accelerated aging
  • Clean, vegan, and lab-tested for high safety and proven efficacy
  • Free of synthetic fragrance, parabens, phthalates, sulfites, sulfates, and mineral oil
  • Nordic-inspired, made in New York

Ingredients

Serum Ingredients: Aqua, Glycerol, Ethyl Ascorbic Acid (Stable Vitamin C), Sodium Ascorbic Acid (Vitamin C), 2-Oxo-1, 5-Pentanedioate, Alpha-Tocopherol Acetate (Vitamin E), Epigallocatechin Gallate (Tea Extract), Hyaluronic Acid, Ferulic Acid (Gramineae Extract).

Lotion Ingredients: Aqua, Chamomile Hydrosol, Wax NF, Argan Oil, Glycerol, Macadamia Nut Oil, Shea Butter, Roman Chamomile Essential Oil, Alpha-Tocopherol (Vitamin E), Optiphen, Sodium Ascorbic Acid (Vitamin C), 2-Oxo-1,5-Pentanedioate, Collagen Tripeptide, Hyaluronic Acid, Epigallocatechin Gallate (Tea Extract), Ferulic Acid (Gramineae Extract).

Cream Ingredients: Aqua, Chamomile Hydrosol, Argan Oil, Glycerol, Macadamia Nut Oil, Shea, Butter, Hexadecanol, n-Octadecanol, Polysorbate 60, Optiphen, Alpha-Tocopherol (Vitamin E), Roman Chamomile Essential Oil, Sodium Ascorbic Acid (Vitamin C), Collagen Tripeptide, 2-Oxo-1,5-Pentanedioate, Hyaluronic Acid, Epigallocatechin Gallate (Tea Extract), Ferulic Acid (Gramineae Extract).

Cleanser Ingredients: Aqua, Chamomile Hydrosol, Coco Betaine, Decyl Glucoside, Glycerol, Cocamidopropyl Hydroxysultaine, Sodium Lauroyl Methyl Isethionate, Caprylyl Glycol, Guar Hydroxypropyltrimonium Chloride, Epigallocatechin Gallate (Tea Extract), Hyaluronic Acid, Ferulic Acid (Gramineae Extract).


How to Use

Prep: Cleanser
Gentle foam purifies without stripping; maintains pH balance for a smooth, radiant base.

Step 1: Serum
Concentrated actives support elasticity, texture refinement, and early wrinkle defense.

Step 2: Lotion
Lightweight hydration boosts firmness and comfort; ideal for daytime protection.

Step 3: Cream
Rich nourishment locks in moisture overnight for supple, resilient morning skin.

Standard Purchase
$240.00 $120.00

50% OFF + Use code BLACKFRIDAY for a free Skin Aging Self-Test Kit for orders $120+

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SKU: SET0001 Categories:Bundles, Essentials Tag:Under 45
  • Description
  • Additional information

Description

The Science of Early-Age Defense

Reverse the Quiet Onset of Skin Aging

Your skin’s biological age can accelerate years before visible aging begins. During this silent phase, oxidative stress and hydration loss gradually weaken firmness and radiance. The Longevity System I bundle targets this early stage, restoring balance and strengthening your skin’s natural renewal rhythm. By reinforcing antioxidant defense and deep hydration, it helps preserve elasticity and luminosity, and with consistent use, can visibly slow biological skin aging to keep it younger than your actual age.

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Optimize Your Regimen

What’s Included

A complete daily system of four synergistic formulas that awaken, strengthen, and renew your skin’s regenerative cycle.

  • All Products
  • 45-49
  • 50-54
  • 55-59
  • 60-64
  • 64+
  • 65+
  • Below 45
  • Cosmetic
  • Day
  • Day care
  • Eye
  • Face
  • Fresh
  • Hydrating
  • Night
  • Night care
  • Oil
  • set
  • Skin
  • Under 45

Age-Defying Serum

☆☆☆☆☆
Age-Defying Serum
View product

Powered by Golden Triple Actives to stimulate collagen renewal and support cellular vitality. Visibly improves firmness, elasticity, and radiance with…

Age-Defying Day Lotion

☆☆☆☆☆
Age-Defying Day Lotion
View product

Combines lightweight hydration with advanced antioxidant defense to protect skin against oxidative stress while maintaining a soft, refined texture. Optimized…

Age-Defying Night Cream

☆☆☆☆☆
Age-Defying Night Cream
View product

Formulated with collagen peptides, antioxidant vitamins, and botanical emollients to restore firmness and resilience while supporting the skin’s natural repair…

Rejuvenating Cleanser

☆☆☆☆☆
Rejuvenating Cleanser
View product

Formulated with mild plant-based surfactants and botanical extracts to purify without stripping, leaving skin balanced and optimally prepared to absorb…

Real Transformations

Visible Improvements in Texture and Tone

Experience smoother texture, improved clarity and a brighter, more even appearance as the skin regains balance and resilience. Fine roughness becomes softer and the overall tone appears clearer and more refined with daily use.

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"I had been very self-conscious about the visible lines around my neck forever and this is the only product that finally removed them."
Age-Defying Night Cream user testimonial
"My skin feels refreshed and renewed, almost as if I’ve turned back the clock and regained a more youthful glow."
Age-Defying Serum user testimonial
"Absolutely wonderful product that I highly recommend. I had noticeable reduction in my wrinkles in just 2 weeks."
Age-Defying Day Lotion user testimonial
Legendary Power through Science

How It Works

At the heart of our formulations lies Golden Triple Actives™ (GTA)—a proprietary complex that reactivates epigenetic hydroxylation, the cellular switch that governs skin longevity. This mechanism restores youthful gene expression patterns, strengthens antioxidant defenses, reduces harmful ROS, and optimizes renewal at the molecular level. The result is a balanced, resilient state that resists premature aging and maintains the vitality of younger skin.

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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.

1.

Alpha-KG

Boosts cellular energy and supports collage production. Helps reduce oxidative stress and signs of aging. Promotes skin firmness and elasticity.

2.

Ascorbic Acid

Powerful antioxidant that brightens skin and evens tone. Stimulates collagen synthesis to reduce fine lines. Protects against UV and environmental damage.

3.

Acidic Polyphenols

Potent antioxidant with anti-inflammatory properties. Helps fade dark spots and soothe irritated skin. Supports skin barrier repair and fights premature aging.

Backed by Laboratory Validation

Clean. Safe. Functional.

Our formulations outperform four leading anti-aging brands in comparative laboratory evaluations, achieving a higher Function Score for visible efficacy, a lower Hazard Score for cleaner ingredient safety, and a superior overall Performance Index for optimal balance between purity and results. Each formula is vegan, non-toxic, and rigorously lab-verified to deliver measurable anti-aging performance without compromising skin health.

A Transformative Skin Experience

Age-defying set

72 Hour Continuous Hydration

With Hyaluronic Acid and botanical humectants to deliver deep, lasting moisture that keeps skin supple and balanced all day.

Advanced Antioxidant Defense

Golden Triple Actives protect against daily oxidative stress while supporting skin’s natural renewal rhythm for a healthier appearance.

Improved Firmness and Elasticity

Targeted actives strengthen collagen and elastin for a smoother, lifted feel and refined skin texture over time.

Overnight Repair and Renewal

The rich night treatment restores hydration, reinforces the barrier, and leaves skin refreshed and resilient by morning.

Hear It From Your peers

What Others Are Saying

See More Reviews
Elena P.
Noticeably smoother by week three
☆ ☆ ☆ ☆ ☆

I was on the fence about buying a full set but I’m glad I did. The serum sinks in fast, the lotion keeps me comfortable through the day, and the cream makes my skin feel cushioned by morning. Around week three my cheeks looked smoother and my makeup sat better. No irritation and no heavy scent.

Marcus L.
Gentle enough for my reactive skin
☆ ☆ ☆ ☆ ☆

Most anti-aging products make me red or itchy. This trio did not. The cleanser I already use, so I started with serum at night, then added lotion in the morning, then the cream. My skin stayed calm and I got a soft glow without shine. The routine is simple and it actually feels good to stick with it.

Dana K.
Firmness around jawline improved
☆ ☆ ☆ ☆ ☆

I am 41 and was noticing a bit of slack around my jaw. The serum plus cream combo made the area look more supported after a few weeks. The lotion is light enough for humid days and does not pill under sunscreen. Overall my face looks more awake and less creased when I smile.

Hannah W.
Subtle but real brightening
☆ ☆ ☆ ☆ ☆

I did not expect a big change but my dullness improved. The fine bumps along my forehead are less noticeable and my tone looks more even. Friends asked if I changed my foundation shade which is a good sign. The cream feels rich without being greasy and the jar lasts longer than I thought.

6 Month Ago
Firmer Skin
Smoother and Radiant Look
Improved Skin Elasticity
Less Apparent Fine Lines

% of users who expressed the above experience after 4-8 weeks of use.

Frequently Asked Questions

What is the major advantage of using this bundle?

It targets early aging from multiple angles including hydration balance, antioxidant support, elasticity and cellular renewal. The bundle helps maintain youthful looking skin longer than using single products alone.

How is this bundle different from regular skincare modules?

The Golden Triple Actives technology supports epigenetic hydroxylation, a key process that declines with age. This targeted mechanism gives the bundle stronger long term benefits.

How soon will I see results?

Most users notice softer, smoother and better hydrated skin within 3-4 weeks. Improvements in radiance, tone and fine line appearance typically become more visible within 4-8 weeks.

Does this bundle contain harmful ingredients?

No. The formulas are clean, vegan and free of parabens, synthetic fragrance, sulfates, phthalates and mineral oil.

Is this bundle suitable for sensitive skin?

Yes. The formulations are designed to be gentle and supportive for all skin types, including sensitive skin. The antioxidant blend and hyaluronic acid help soothe, hydrate and reinforce the skin’s barrier, making the trio suitable even during early sensitivity phases.

Why is this bundle recommended for skin age below 45?

During this stage, the skin still responds strongly to renewal signals. Supporting epigenetic hydroxylation early helps delay the visible progression of aging and maintain elasticity, radiance and smooth texture for the long term. Early care creates a measurable difference in how skin ages over the next decade.

Seeing Is Believing

What Is Your True Skin Age?

Our 5-minute self test at home will identify your true skin age. By comparing against your birth age, you'll be able to able to measure your aging velocity, then select the ideal skincare product regimen.

Get Started
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.

Ideal for Under 45, 45-64, 65+
Rejuvenating Cleanser
$33.00 Original price was: $33.00.$16.50Current price is: $16.50.
View Product
Ideal for Under 45
Age-Defying Serum
$79.00 Original price was: $79.00.$39.50Current price is: $39.50.
View Product
Ideal for Under 45, 45-54
Age-Defying Day Lotion
$69.00 Original price was: $69.00.$34.50Current price is: $34.50.
View Product
Ideal for Under 45, 45-49
Age-Defying Night Cream
$59.00 Original price was: $59.00.$29.50Current price is: $29.50.
View Product
Ideal for Under 45
Longevity System I – Early Intervention (Under 45)
(Currently Viewing)
View Product

Initial Signs Stage (gradually increased SEHI). Goals: preserve firmness by enhancing antioxidant defense and maintaining moisture retention.

Ideal for Under 45, 45-64, 65+
Rejuvenating Cleanser
$33.00 Original price was: $33.00.$16.50Current price is: $16.50.
View Product
Ideal for 45-54
Even-Tone Antioxidant Serum
$69.00 Original price was: $69.00.$34.50Current price is: $34.50.
View Product
Ideal for Under 45, 45-54
Age-Defying Day Lotion
$69.00 Original price was: $69.00.$34.50Current price is: $34.50.
View Product
Ideal for Under 45, 45-49
Age-Defying Night Cream
$59.00 Original price was: $59.00.$29.50Current price is: $29.50.
View Product
Ideal for 45-49
Longevity System II – Firmness Reinforcement (45-49)
$230.00 Original price was: $230.00.$115.00Current price is: $115.00.
View Product

Active Aging Stage (moderately expressed SEHI). Goals: improve elasticity by intensifying antioxidant defense, increase cell repair, and sustain hydration.

Ideal for Under 45, 45-64, 65+
Rejuvenating Cleanser
$33.00 Original price was: $33.00.$16.50Current price is: $16.50.
View Product
Ideal for 45-54
Even-Tone Antioxidant Serum
$69.00 Original price was: $69.00.$34.50Current price is: $34.50.
View Product
Ideal for Under 45, 45-54
Age-Defying Day Lotion
$69.00 Original price was: $69.00.$34.50Current price is: $34.50.
View Product
Ideal for 50-59
Radiant Cell Repair Cream
$79.00 Original price was: $79.00.$39.50Current price is: $39.50.
View Product
Ideal for 50-54
Longevity System III – Active Repair (50-54)
$250.00 Original price was: $250.00.$125.00Current price is: $125.00.
View Product

Visible Structure-Loss Stage (highly expressed SEHI). Goals: rebuild dermal density and resilience by boosting hydration and cell repair while maintaining antioxidant defense.

Ideal for Under 45, 45-64, 65+
Rejuvenating Cleanser
$33.00 Original price was: $33.00.$16.50Current price is: $16.50.
View Product
Ideal for 55-64
Dermal Quench Hydration Serum
$65.00 Original price was: $65.00.$32.50Current price is: $32.50.
View Product
Ideal for 55-64, 65+
Even-Tone Antioxidant Lotion
$59.00 Original price was: $59.00.$29.50Current price is: $29.50.
View Product
Ideal for 50-59
Radiant Cell Repair Cream
$79.00 Original price was: $79.00.$39.50Current price is: $39.50.
View Product
Ideal for 55-59
Longevity System IV – Deep Rebuild (55-59)
$236.00 Original price was: $236.00.$118.00Current price is: $118.00.
View Product

Functional Aging Stage (severe SEHI). Goals: reactivate cellular renewal, enhance microcirculation, restore vitality and tone through deep hydration, anti-wrinkle care, and antioxidant protection.

Ideal for Under 45, 45-64, 65+
Rejuvenating Cleanser
$33.00 Original price was: $33.00.$16.50Current price is: $16.50.
View Product
Ideal for 55-64
Dermal Quench Hydration Serum
$65.00 Original price was: $65.00.$32.50Current price is: $32.50.
View Product
Ideal for 55-64, 65+
Even-Tone Antioxidant Lotion
$59.00 Original price was: $59.00.$29.50Current price is: $29.50.
View Product
Ideal for 60-64, 65+
Hydro Lift Anti-Wrinkle Cream
$89.00 Original price was: $89.00.$44.50Current price is: $44.50.
View Product
Ideal for 60-64
Longevity System V – Advanced Renewal (60-64)
$256.00 Original price was: $256.00.$128.00Current price is: $128.00.
View Product

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.

Ideal for Under 45, 45-64, 65+
Rejuvenating Cleanser
$33.00 Original price was: $33.00.$16.50Current price is: $16.50.
View Product
Ideal for 65+
Eternal Boost Anti-Wrinkle Serum
$72.00 Original price was: $72.00.$36.00Current price is: $36.00.
View Product
Ideal for 55-64, 65+
Even-Tone Antioxidant Lotion
$59.00 Original price was: $59.00.$29.50Current price is: $29.50.
View Product
Ideal for 60-64, 65+
Hydro Lift Anti-Wrinkle Cream
$89.00 Original price was: $89.00.$44.50Current price is: $44.50.
View Product
Inside the Lab

Insights From Our Scientists

Browse Articles
AgingSkin Epigenetics
SEHI-Targeted Antioxidants: The Next-Generation Solution to Slow and Reverse Skin Aging
PersonalizationSkin Epigenetics
Hallmarks of Accelerated Skin Aging Caused by Epigenetic Hydroxylation Incompetence
AgingLongevity
Skin Aging: Why Oxidative Stress Might Be Your Skin’s Worst Enemy
FormulationIdunn's Products
When Vitamin C Turns to Rust: Chemistry, Consequences, and How to Keep Your Serum Fresh

Citations: 

  1. Yang f et al: The study of skin hydration, anti-wrinkles function improvement of anti-aging cream with alpha-ketoglutarate. J Cosmet Dermatol, 2022
    2. Naeini SH et al: Alpha-ketoglutarate as potent regulator for lifespan and healthspan: evidences and perspectives. Exp Gerontol, 2023
    3. Son ED et al: Alpha-ketoglutarate stimulates procollagen production in cultured human dermal fibroblasts, and decreases UVB-induced wrinkle formation following topical application on the dorsal skin of hairless mice. Biol Pharm Bull, 2007.
    4. Humbert PG et al: Topical ascorbic acid on photoaged skin, clinical, topographical and ultrastructural evaluation: double-blind study vs. placebo. H.Exp Dermatol , 2003.
    5. Boo YC et al: Ascorbic acid (Vitamin C) as a cosmeceutical to increase dermal collagen for skin antiaging purposes: emerging combination therapies. Antioxidants (Basel). 2022
    6. Lin FH et al Ferulic acid stabilizes a solution of vitamins C and E and doubles its photoprotection of skin. J Invest Dermatol. 2005
    7. Kim HM et al: Effects of palmitoyl-KVK-L-ascorbic acid on skin wrinkles and pigmentation. Arch Dermatol Res. 2017
    8. Saini U et al: Gallic acid: a potent antioxidant and anti-imflammatory agent in modern cosmeceuticals. Recent Adv Drug Deliv Formul. 2025 .
    9. Kumar KJ et al: In vitro and in vivo studies disclosed the depigmenting effects of gallic acid: a novel skin lightening agent for hyperpigmentary skin diseases. Biofactors. 2013
    10. Pavicic T et al: Efficacy of cream-based novel formulations of hyaluronic acid of different molecular weights in anti-wrinkle treatment. J Drugs Dermatol. 2011

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Additional information

Weight 5 lbs
product size

Full Set

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Age Segmented Collection
  • Even-Tone Antioxidant Serum
  • Dermal Quench Hydration Serum
  • Even-Tone Antioxidant Lotion
  • Eternal Boost Anti-Wrinkle Serum
  • Radiant Cell Repair Cream
  • Hydro Lift Anti-Wrinkle Cream
Base Collection
  • Skin Aging Test Kit
  • Age-Defying Serum
  • Age-Defying Day Lotion
  • Age-Defying Night Cream
  • Rejuvenating Cleanser
  • Longevity System I – Early Intervention (Under 45)
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