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Jan Marini Age Intervention Duality


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  • Powerful acne control with dramatic anti-aging benefits
  • Helps eliminate even the most stubborn adult acne
  • Minimizes the appearance of lines and wrinkles

1 oz


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Yes, You Can Say Goodbye to Acne!

Age Intervention Duality is a breakthrough anti-aging acne solution providing serious acne control and dramatic anti-aging benefits. Its unique dual chamber dispensing solution combines some of the most medically validated, yet previously incompatible, technologies in one product. This gentle formulation contains the maximum allowed percentage of benzoyl peroxide, concentrated retinol, and powerful anti-aging technologies, including multiple peptides, anti-inflammatory agents, and antioxidants.

Jan Marini Age Intervention Duality Features & Benefits:

  • Delivers unparalleled acne treatment with dramatic anti-aging benefits
  • Helps decrease erythema and inflammation and reduces the appearance of acne scars and discoloration
  • Advanced Benzoyl Peroxide increases penetration and decreases dryness and irritation
  • Concentrated retinol (0.5%) improves cellular turnover and addresses the main signs of aging including the appearance of lines and wrinkles, rough texture, and hyperpigmentation
  • Anti-aging peptides rebuild and rejuvenate skin
  • Antioxidants deliver anti-aging benefits and increase free radical protection
  • Significant moisturizers for improved hydration and barrier function
  • Easily incorporates into Step 3 of the Skin Care Management System for intensified results
  • A perfect solution for adults and of every skin type

Ingredient Highlights:

  • 10% Ultra-Micronized Benzoyl Peroxide
  • Retinol (0.5%)
  • Anti-Aging Peptides
  • Green Tea
  • Chrysin
  • Bisabolol
  • NHS (N-Hydroxysuccinimide)
  • Hyaluronic Acid

Frequently Asked Questions

What is the difference between Duality and Duality MD?
The difference between Age Intervention Duality and Duality MD is the Retinol percentage. The Jan Marini Duality contains 0.5% strength Retinol, the Jan Marini Duality MD contains 1% Retinol.

Should I use a moisturizer when using this product?
Yes. This product has advanced ingredients in high percentages and these ingredients can sometimes cause dryness. Apply moisturizer after Duality.

Is there a clinical study for this product?
Yes. A 3-month independent physician study using the Skin Care Management System and Duality M on 21 subjects ages 20-29. Conducted by Jaggi Rao, MD Board Certified Dermatologist, FRCPC, Professor of Medicine, University of Alberta.

  • 100% of subjects experienced a reduction in acne lesion counts.
  • Improvement was statistically significant by week 4 and continued to improve through completion.
  • 64% average lesion count reduction (range 36% to 78%).
  • 100% of subjects experienced significant improvement in skin quality by blinded photographic review.
  • High subject satisfaction with no reported irritation or excessive drying.

When and how should I apply this product?
Apply after washing your face. Dispense and briefly mix together one pump of product from each of the two chambers on your palm. Cover the entire affected area with a thin layer of this acne control cream one to three times daily. This is not a spot treatment and should be applied to the entire face.

Will I need to acclimate to this product?
Yes, you might. Start with one application daily. If excessive dryness occurs reduce to every other day. Once your skin is acclimated you can apply ti twice a day.

Important – You must use sunscreen while using this product. It contains Retinol and 10% Benzoyl Peroxide.

Try Jan Marin Age Intervention Duality today and let the power of Benzoyl Peroxide and Retinol help you clear your acne!


Clean the skin thoroughly before applying this product. This product contains two parts. Dispense and briefly mix together one pump of product from each of the two chambers on your palm. Cover the entire affected area (not a spot treatment) with a thin layer one to three times daily. Because excessive drying of the skin may occur, start with one application daily, then gradually increase to two or three times daily if needed or as directed by a physician. If bothersome dryness or peeling occurs, reduce application to once a day or every other day. If going outside, apply sunscreen after using this product. If irritation or sensitivity develops, stop use of both products and ask a physician.

Anti-Acne Cream:
Active Ingredient: Benzoyl Peroxide 10%

Inactive Ingredients: Water/Aqua/Eau, Propylene Glycol, Glycerin, Sorbitol, Polyacrylamide, C13-14 Isoparaffin, Cyclopentasiloxane, Cyclohexasiloxane, Carbomer, Laureth 7, Disodium EDTA, Triethanolamine, Diazolidinyl Urea, Methylparaben, Propylparaben

Anti-Aging Face Cream

Water/Aqua/Eau, Caprylic/Capric Triglyceride, Glycerin, Cyclopentasiloxane, Glyceryl Stearate, Polysorbate 20, Carthamus Tinctorius (Safflower) Seed Oil, Butyrospermum Parkii (Shea) Butter, Polysorbate 60, Stearic Acid, Stearyl Alcohol, Cyclohexasiloxane, Retinol, Myristoyl Tripeptide-4, Sorbitol, Bisabolol, Sodium Hyaluronate, Camellia Oleifera Leaf Extract, Palmitoyl Tetrapeptide-7, Palmitoyl Oligopeptide, Chrysin, Dimethicone, Dimethicone/Vinyl Dimethicone Crosspolymer, Glyceryl Acrylate/Acrylic Acid Copolymer, Steareth-20, N-Hydroxysuccinimide, Triethanolamine, Carbomer, Hexylene Glycol, Ethylhexylglycerin, Caprylyl Glycol, BHT, Phenoxyethanol”.

Ingredients may change, refer to packaging for the most current information.

Weight 4.6 oz
  • 1 oz.

Skin Type
  • Acne Prone

  • Combination
  • Congested
  • Oily
Product Type
  • Acne Treatment

  • Face Treatments & Serums
  • Oil Control
  • Skin Resurfacing
  • Acne/Blemish

  • Aging Skin
  • Back Acne
  • Blackheads
  • Congested Pores
  • Crepey Skin
  • Hormonal Acne
  • Irregular Texture
  • Large Pores
  • Loss of Skin Firmness
  • Oiliness
  • Prevention
  • Rough Skin
  • Skin Laxity
  • Uneven Tone
  • Wrinkles
Ingredient Preference
  • Benzoyl Peroxide

  • Green Tea Extract
  • Hyaluronic Acid
  • Medical Grade
  • Peptides
  • Retinol
  • Cream


For external use only. Keep out of reach of children. Avoid contact with eyes. If excessive irritation develops discontinue use and consult your physician.

Jan Marini Skin Research, Inc. is a recognized leader and innovator in skin care products that deliver proven measurable results. Their products contain medical-grade active ingredients such as antioxidants, retinol, glycolic acid, salicylic acid, and hyaluronic acid among others. Jan Marini products are designed to work together to address skin concerns such as acne, hyperpigmentation, skin aging, wrinkles, loss of firmness, uneven texture, and sun damage. The Jan Marini Skin Care Management System has won the “New Beauty Best Anti-Aging Skin Care System” every year.

Rejuvent Skincare is an authorized Jan Marini reseller and sells 100% authentic Jan Marini products. Shop Jan Marini.

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What others are saying

  1. Great on my acne

    Maria I.

    1- How is your skin? Choose skin type

    2- What is your skin's complexion? Choose complexion

    3- How are your pores? Choose pore size

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    I have been using this for a few years. It has helped my skin a lot!

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