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Bottle stands upright, displaying "Lenox Sixteenth" serum text.
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ABOUT THE LASER SERUM

Inspired by in-clinic laser treatments, the triple acid laser serum is powered by a potent triple acid complex of:

  • Lactic acid, which gently dissolves dull, dead cells while maintaining hydration.
  • Glycolic acid, a small-molecule AHA that smooths texture and promotes even tone.
  • Mandelic acid, known for refining pores and brightening without irritation.

With different molecular weights, this triple acid serum penetrates multiple layers of the skin to deliver enhanced efficacy and visible results faster.

The formula also includes a blend of extracts (including kakadu plum, licorice root, and rumex occidentalis extracts) that provide antioxidant benefits for visible radiance and help to improve brightness, making it an ideal companion to The Preservationist Vitamin C Serum. To counteract the redness or dryness that are typically triggered by acid serums, the formula leverages biofermentation technology to incorporate natural ingredients (yeast, prickly pear cactus and helischysumflower extracts) that soothe and calm while replenishing and supporting the skin barrier. The result is glowing, glass-like skin that becomes brighter with regular use.

This luxury exfoliating serum for glowing skin is clinically tested to visibly improve skin tone and texture within 56 days

 

50 mL | 1.7 oz

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THE LASER SERUM TRIPLE ACID CONCENTRATE

$219.00
5.0
Rated 5.0 out of 5 stars
5.0

A groundbreaking laser serum that treats hyperpigmentation, acne scarring, active acne and textured skin. This resurfacing serum is dermatologist tested & approved.

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Exfoliates while simultaneously boosting hydration

Removes dead skin cells without irritation.

Fade dark spots and diminish fine lines and wrinkles.

Brightening and anti-aging benefits.

Brightening serum with anti-aging benefits.

Read our in-depth FAQs

ABOUT THE LASER SERUM

Inspired by in-clinic laser treatments, the triple acid laser serum is powered by a potent triple acid complex of:

  • Lactic acid, which gently dissolves dull, dead cells while maintaining hydration.
  • Glycolic acid, a small-molecule AHA that smooths texture and promotes even tone.
  • Mandelic acid, known for refining pores and brightening without irritation.

With different molecular weights, this triple acid serum penetrates multiple layers of the skin to deliver enhanced efficacy and visible results faster.

The formula also includes a blend of extracts (including kakadu plum, licorice root, and rumex occidentalis extracts) that provide antioxidant benefits for visible radiance and help to improve brightness, making it an ideal companion to The Preservationist Vitamin C Serum. To counteract the redness or dryness that are typically triggered by acid serums, the formula leverages biofermentation technology to incorporate natural ingredients (yeast, prickly pear cactus and helischysumflower extracts) that soothe and calm while replenishing and supporting the skin barrier. The result is glowing, glass-like skin that becomes brighter with regular use.

This luxury exfoliating serum for glowing skin is clinically tested to visibly improve skin tone and texture within 56 days

 

50 mL | 1.7 oz

100% Secure payments

Your details are protected and safe with us.

Afterpay
American Express
Apple Pay
Diners Club
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Bottle, standing, with brown background. Text: "NEWBEAUTY 100 WHAT'S NEXT IN BEAUTY 2025. LENOX SIXTEENTH THE LASER SERUM TRIPLE-ACID CONCENTRATE 50 ML 1.7 FL OZ."

BENEFITS

One Anti-Ageing Serum = Five Clinically Proven Results

01 — Exfoliates & hydrates

02 — Fades dark spots fast

03 — Antioxidant rich

04 — Smooths texture

05 — Reduces appearance of fine lines

This glycolic acid, lactic acid, and mandelic acid serum is dermatologist tested and clinically backed for smoother, brighter, more radiant skin.

Clinical Results

0 %

agreed their skin appears more even

0 %

said the product makes their skin look less dull

0 %

noticed a visible improvement in skin luminosity, tone, and texture

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Before

Face with closed eyes, freckles, and relaxed expression visible.

After 56 Days
Face with closed eyes, neutral expression, dark background.

Before

Person's face resting, eyes closed, in close-up view.

After 56 Days
Closed eyes, serene expression, mottled skin tone, dark background.

Before

Person with closed eyes, relaxed, against dark background.

After
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Before

Closed eyes facing right in close-up, freckled skin background.

After
Face with closed eyes, freckles, and relaxed expression visible.
Person's face resting, eyes closed, in close-up view.
Person with closed eyes, relaxed, against dark background.
Closed eyes facing right in close-up, freckled skin background.

**In a consumer perception study of 30 participants after 56 days of use.

Key Ingredients

Glass bottle partially submerged in clear liquid, surrounded by bubbles.

LACTIC ACID

Exfoliates while simultaneously boosting hydration. Good for acne-prone skin.

Bubbles floating, overlapping against a light green background.

MANDELIC ACID

Removes dead skin cells without irritation. The gentlest of the three acids.

Large bubbles float surrounded by smaller bubbles in liquid.

GLYCOLIC ACID

Penetrates the skin at a deep level to fade dark spots and diminish fine lines and wrinkles.

Yellow flowers clustered together against a white background.

HELICHRYSUM ITALICUM FLOWER EXTRACT

Soothes skin and delivers antioxidant benefits.

Green figs piled together, resting in a sunny setting.

KAKADU PLUM EXTRACT

Rich in antioxidants that have both brightening and anti-aging benefits. 

Wooden sticks lying in a pile on a surface.

LICORICE ROOT EXTRACT

Reduces redness and swelling while evening out skin tone.

Cactus pads grow small green buds in sunny environment.

OPUNTIA FICUS-INDICA CALLUS CULTURE EXTRACT

Derived from prickly pear, it replenishes the skin and reduces signs of sensitivity.

Transparent aloe vera slices overlapping; green edges, bubbly texture.

ALOE VERA JUICE

Soothes the skin and keeps it moisturized.

Bottle held by person, blurred background, room setting. Text: "LENOX AND SIXTEENTH, THE LASER SERUM, TRIPLE ACID CONCENTRATE, 50 ML 1.7 FL OZ."

The Thought Behind It

“I created The Laser Serum to bring the transformative power of professional skincare into your daily routine. It's a luxurious combination of powerhouse ingredients, featuring a triple acid blend paired with soothing biofermented botanicals. They work harmoniously to exfoliate, brighten, and restore without compromising your skin’s comfort. The result is glowing, radiant skin. This is skincare that doesn’t just transform your complexion—it will truly transform your confidence.”

- AMY PETERSON

"This serum gives me that post-laser glow without the downtime."

– REFINERY 29

Reviews

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35 reviews
  • Faith C.
    Verified Reviewer
    11 months ago
    Rated 5 out of 5 stars
    I will never love another, the way I love this serum

    Honestly THE. BEST. product I’ve introduced into my routine in years. In 12 weeks it: Smoothed out the texture of my skin, lightened my hyperpigmentation from breakouts, reduced ingrowns from tweezing, it even reduced the appearance and feel of the scars I have from a car accident. All while not leaving my already dry skin feeling dry, stripped, or tingly from the acid. I’m absolutely in LOVE. A mild cleanser, this serum, and a moisturizer keeps my daily routine short simple yet extremely effective, which what I require in my skincare routine.

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  • Karen H.
    12 months ago
    Rated 5 out of 5 stars
    Goodbye Rosacea

    I’ve struggled with rosacea, enlarged pores, and acne breakouts for years, and I can confidently say this product has been a game-changer! After just three months of consistent use, my rosacea has improved by I would say 90% something I never thought possible. Look at the picture from before I started using the serum, and the one 2 months after. My skin feels smoother, my pores are visibly smaller, and breakouts? Almost nonexistent! Can’t recommend this product enough.

    I am beyond impressed. It’s lightweight, non-irritating, and actually works. If you’ve been searching for a skincare product that delivers real results, this is it! Don’t wait your skin will thank you!

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  • Valentina C.
    Verified Reviewer
    12 months ago
    Rated 5 out of 5 stars
    Absolutely changed my skin!!!

    I've been using the laser serum for 3 months now and I can't express the change in my skin. Having acne prone skin and finding products that actually make a difference has been extremely challenging. I slowly incorporated the Laser Serum into my routine (one night on, one night off), until I finally felt that my skin was ready for everyday use. It only took about a week to see magical results!!! I've received endless compliments on my skin and better yet, have finally been able to walk out without needing make-up. I finally found a product that WORKS! The pics below is only a week apart.

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  • Jody S.
    Verified Buyer
    5 days ago
    Rated 5 out of 5 stars
    Loving this product!

    After 3 uses I could see a difference. I highly recommend.

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  • Jessica M.
    Verified Buyer
    1 month ago
    Rated 5 out of 5 stars
    My new favorite skincare product

    This serum has worked wonders for my texture and hyperpigmentation.

    Was this helpful?
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