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Fighting Skin Aging by Targeting Cellular Senescence in Skincare
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Fighting Skin Aging by Targeting Cellular Senescence in Skincare

17 May 2025


Targeting Cellular Senescence in Skin Aging: The Future of Anti-Aging Skincare

As the science behind skincare becomes increasingly sophisticated, one area gaining serious attention is cellular senescence—a key driver of visible skin aging.

Understanding and targeting senescent cells may be the most advanced strategy we have to combat wrinkles, loss of elasticity, and dull, fragile skin.

This article explores what cellular senescence is, how it affects your skin, what causes it, and most importantly, which skincare ingredients are proven to reduce senescent cells and restore youthful skin function.

What Is Cellular Senescence?

Cellular senescence is a state in which cells permanently stop dividing but do not die.

These cells are often referred to as “zombie cells” because they are biologically inactive in terms of reproduction but remain metabolically active—secreting inflammatory compounds and damaging nearby healthy cells.

In the skin, senescent keratinocytes and fibroblasts lose their ability to function properly.

They contribute to skin thinning, loss of collagen, and chronic inflammation, all of which result in visible aging.

How Does Cellular Senescence Accelerate Skin Aging?

Senescent cells promote skin aging through a process called inflammaging—a low-grade, chronic inflammation caused by their secretions.

These secretions, collectively called the Senescence-Associated Secretory Phenotype (SASP), include:

Matrix Metalloproteinases (MMPs) – which break down collagen and elastin

Cytokines and chemokines – pro-inflammatory molecules that damage neighboring cells

Reactive Oxygen Species (ROS) – free radicals that accelerate aging

Extracellular vesicles (EVs) – including microRNAs that can alter gene expression in nearby cells

These harmful substances not only damage the extracellular matrix (ECM)—which gives skin its structure—but also increase inflammation and interfere with skin regeneration, leading to wrinkles, dullness, and skin laxity.

Understanding the Skin Cell Lifecycle

To fully grasp the impact of senescent cells, it’s important to understand the five phases of a skin cell’s life:

Stem Cells – Undifferentiated and capable of becoming any type of skin cell.

Proliferating Cells – Actively dividing cells that generate new skin.

Differentiated Cells – Specialized cells that carry out specific skin functions.

Senescent Cells – Damaged, non-dividing cells stuck in limbo, secreting inflammatory factors.

Apoptotic Cells – Programmed cell death; a clean and necessary process to remove old or damaged cells.

Unlike apoptotic cells, senescent cells are not eliminated from the body. They accumulate over time, especially as the immune system and natural cleanup processes like autophagy decline with age.

What Causes Cellular Senescence?

Multiple biological and environmental factors can push cells into senescence, including:

Chronological aging

UV radiation and pollution

Oxidative stress and free radical exposure

Shortened telomeres

Mitochondrial dysfunction

TP53 gene activation (a tumor suppressor gene)

Loss of SIRT-1 activity (a longevity-associated protein)

Reduced autophagy (the process by which cells “clean house”)

These triggers cause DNA damage, inhibit mitochondrial function, and disrupt cellular repair mechanisms—pushing cells into a dysfunctional, inflammatory state.

How Can Skincare Target Senescent Cells?

Recent studies suggest that certain topical ingredients can prevent, reduce, or even eliminate senescent cells—offering a promising approach to anti-aging beyond hydration and collagen support.

These strategies fall into three categories:

Preventing Senescence – by shielding the skin from environmental damage (sun, pollution, etc.)

Reducing Existing Senescent Cells – by promoting autophagy or activating longevity pathways

Restoring Function – by rejuvenating cellular metabolism and reducing inflammation

Top Ingredients That Help Decrease Cellular Senescence

Here are some of the most promising cosmeceutical ingredients shown to target senescent cells and reverse signs of skin aging:

1. Resveratrol

A natural polyphenol found in red grapes.

Activates SIRT-1, the “longevity gene” that promotes mitochondrial health and autophagy.

Also known to have antioxidant and anti-inflammatory benefits.

2. Melatonin

A hormone with antioxidant and DNA-protective properties.

Improves mitochondrial function and has shown promise in reducing oxidative stress and senescence markers.

3. Aquatide™ (Heptasodium Hexacarboxymethyl Dipeptide-12)

Promotes autophagy—the cellular “clean-up” process.

Helps remove damaged components and may aid in the clearance of senescent cells.

Also supports barrier repair and hydration.

4. Exosomes

Small extracellular vesicles that deliver functional RNA, microRNA, and proteins to nearby cells.

Shown to reduce senescent markers in skin and stimulate regeneration.

Featured in innovative products like Plated SkinScience Intense Serum.

5. Crepidiastrum Denticulatum Extract (Pollux CD™)

A plant-derived antioxidant and anti-inflammatory ingredient.

Demonstrates effects on reducing cellular stress and may support autophagy and mitochondrial function.

6. Saururus Chinensis

Traditional medicinal herb with anti-inflammatory and antioxidant effects.

Helps suppress SASP factors and protect ECM integrity.

7. Ulmus Davidiana

Korean elm extract known for calming inflammation and supporting skin regeneration.

May indirectly assist in slowing senescence-related inflammation.

Skincare Products That Target Cellular Senescence

Several advanced skincare formulations now incorporate these senescence-targeting ingredients. One standout is:

🧴 Plated SkinScience Intense Serum

Contains exosomes harvested from ethically sourced human stem cells.

Studies suggest this serum can significantly reduce the number of senescent cells in aging skin.

Also supports collagen production and skin firmness.

More brands are expected to launch products targeting senescence as research in this area continues to grow.

Can You Prevent Cellular Senescence in the First Place?

Yes—and prevention may be the most effective long-term strategy. Here’s how:

Daily Sunscreen Use: Protects against UV-induced senescence.

Antioxidants: Neutralize ROS and reduce oxidative stress (e.g., Vitamin C, green tea, niacinamide).

Anti-inflammatory Agents: Help suppress chronic low-grade inflammation.

Pollution Protectants: Ingredients like ectoin or resveratrol help combat environmental triggers.

By protecting skin from external damage and maintaining internal cellular health, you can significantly slow the accumulation of senescent cells.

What Happens When Senescent Cells Build Up?

Accumulated senescent cells degrade the skin from the inside out. Their inflammatory secretions:

Disrupt collagen and elastin synthesis

Inhibit DNA repair

Interfere with normal cell turnover

Thicken the stratum corneum, leading to dullness

Thinning of the dermis, contributing to fragile, wrinkled skin

They also impair communication between healthy cells via altered extracellular vesicles (EVs), leading to a breakdown in skin’s regenerative functions.

Senescence vs Apoptosis: Why It Matters

It’s important to distinguish senescence from apoptosis:

Apoptosis is a healthy, programmed cell death. Damaged cells are eliminated to protect surrounding tissues (e.g., from cancer).

Senescence, however, is a “stuck” state—cells are damaged but not eliminated. They persist and contribute to tissue dysfunction and aging.

Promoting autophagy and cellular clearance mechanisms can help shift senescent cells toward apoptosis or repair.

The Future of Anti-Aging is Cellular

As our understanding of cellular biology evolves, skincare is moving beyond superficial fixes and addressing aging at the root cellular level.

Targeting senescent cells opens the door to real rejuvenation—not just cosmetic improvement.

New research, including emerging studies on senolytics (drugs or compounds that eliminate senescent cells), is revolutionizing how we think about aging and how we formulate skincare.

Take the Next Step: Customize Your Anti-Senescence Skincare

Ready to treat your skin based on science, not guesswork?

🎯 Take the Skin Type Solutions quiz to build a personalized skincare routine that addresses your unique needs—including senescence, inflammation, and more.

Stay Updated

The science of cellular senescence in skincare is still emerging.

Follow us on YouTube and social media for interviews with experts like Dr. Leslie Baumann and Dr. Wyles, who are at the forefront of research on inflammaging and senolytic skincare.

DQH Knowledge drop: In your 20s, your skin cell turnover decreases. (Cell turnover is a key component in keeping your skin youthful.) You know what else slows down? Your collagen production. Starting in your 20s, collagen decreases by about 1 percent per year. Should you want to prevent fine lines and wrinkles, start by eliminating behaviors that contribute to premature aging. “If it’s bad for you, it’s bad for your skin,” says dermatologist Michel Somenek. “Cigarette smoking reduces blood flow to the skin and causes premature wrinkling and a dull skin texture. Making the repeated pursed motion to inhale can also cause smoker’s lines. Alcohol and recreational drugs are toxins for the skin that damage its cellular structure and DNA,” Somenek tells us. “The faster you eliminate vices while you are young, the better chance your skin and body have to recuperate.” Also, adopting an anti-aging routine in your 20s is key. After all, the best offense is a good defense. We spoke to Somenek and experts Joshua Ross and Audrey Kunin to find out more. Keep reading for the best anti-aging products for your 20s, according to skincare professionals. Sunscreen “We all know that the sun is the number one cause of skin aging and starting the prevention in your 20s is very important,” Ross says. “The majority of your sun damage won’t start to appear until you’re in your 30s, so don’t wait until you see it surface or you’ll be behind the curve. Stay ahead of it with a good-quality zinc-based sunscreen worn daily.” Farmacy Green Defense Daily Mineral Sunscreen An invisible sunscreen with SPF 30, plus botanical extracts meant to protect skin with tons of antioxidants. Bonus: It’s clean and fine to use under makeup. Bareminerals Complexion Rescue™ Tinted Moisturizer Broad Spectrum SPF 30 Although we recommend you use your SPF and moisturizer separately, we also understand moments when you don’t have time or energy for that extra step. For those times, this bareMinerals moisturizer is a great thing to have on hand. Vitamin C Serum “A great introduction to anti-aging is to start with a vitamin C serum in your morning skincare routine,” Ross says. “It’s a powerful antioxidant that will neutralize free radicals and brighten the skin.” He adds that it’s a great way to counteract the effects of the sun’s harmful rays, which, as previously mentioned, are among the biggest causes of premature aging. Drunk Elephant C-Firma™ Vitamin C Day Serum The Drunk Elephant C-Firma is a lightweight serum that promises to give skin a glow by combining the brightening powers of vitamin C with ferulic acid, l-ascorbic acid, and vitamin E. The included sodium hyaluronate is meant to replace hydration loss, so you shouldn’t have to deal with any irritation. Sunday Riley C.E.O. Rapid Flash Brightening Serum This potent serum is jam-packed with vitamin C (15 percent, to be exact), which means it’s a potential superstar at both brightening skin and dousing it in antioxidants. Peptides Using peptides on your skin has many benefits, says Somenek. “The skin barrier is what defends the body against pollution, UV rays, bacteria, and toxins. It can be damaged by several everyday factors. Using topical peptides aids in building a stronger barrier,” he says. “Peptides comprise elastic fibers, which are a type of protein. These fibers help to make skin appear taut and firm. Peptides can also help repair damaged skin, relieve inflammation, and even out skin tone. Some peptides can kill acne-causing bacteria that is common in 20-somethings.” Kunin agrees, saying, “Peptides are an excellent entry point for supporting collagen.” She recommends looking for face and eye treatments that contain these collagen-boosting powerhouses. Charlotte Tilbury Magic Eye Rescue Cream This Charlotte Tilbury super-emollient eye cream has a base of coconut oil and shea butter (read: it’s incredibly hydrating). Botanicals plus peptides are meant to help reduce dark circles and boost collagen, respectively. This creamy moisturizer serves up potent collagen-boosting peptides and pycnogenol, and antioxidant-rich vitamin C. “Instead of sitting on top of the skin, peptides penetrate the outer layer so they go deep. The ‘signals’ they send tell the cells to produce elastin and collagen, which are needed for youthful-looking skin,” explains Somenek. At-Home Peel Pads Remember that skin cell turnover fiasco we talked about earlier? One way to help support it is by exfoliating. “Exfoliation is important to help keep skin fresh and luminous,” Kunin says. She recommends using at-home peel pads as an easy and effective way to exfoliate. “The goal in your 20s is to fight the slowing pace of cell turnover. It is wise to use products that gently exfoliate, yet still remove oil and other impurities. Products that have Alpha Hydroxy Acids (AHA) or Beta Hydroxy Acids (BHA) are a good choice.” According to Somenek, you should only exfoliate two to three times a week. “People of all ages are guilty of over-exfoliating and that can be too much of a good thing,” he says. Dermadoctor Kakadu C Intensive Vitamin C Peel Pad A few swipes of this Derma Doctor powerful peel pad promise to leave your skin glowing and smooth, thanks to the seven (yes, seven) types of chemical exfoliants, including AHA and BHA. It also contains vitamin C via Kakadu plum extract for added brightening and antioxidant protection. KEY INGREDIENTS Kakadu plum extract is sourced from the Kakadu plum, a fruit grown in northern Australia. It contains vitamin C, which restores the skin’s natural barrier, increases collagen production, and soothes irritation. Dr. Dennis Gross Skincare Alpha Beta® Universal Daily Peel Pads These are the gold standard of peel pads, with a cult following and over 900 five-star reviews on Sephora. They’re easy to use and contain a blend of anti-aging exfoliating acids. Emollient Night Cream “In your 20s, you need to start upping the hydration in your skincare routine. You may have been cautious of over-moisturizing because of acne in your teens, but as you enter your 20s, your skin transitions and becomes drier,” Ross says. “I recommend an emollient night cream added into your evening skincare regimen.” “Twenty-somethings need to make sure that they are not using creams that will clog their pores and cause excess oil production,” says Somenek. Opt for non-comedogenic products. Cerave Skin Renewing Night Cream One great choice is the CeraVe Skin Renewing Night Cream, which is a non-comedogenic night cream that leaves skin soft and glowy. It combines the moisturizing powers of ceramides and hyaluronic acid. RoC Retinol Correxion Max Hydration Creme “The best night cream ingredients contain retinol, benzoyl peroxide, and/or salicylic acid or hyaluronic acid. The goal is to moisturize, yet remove excess oil,” says Somenek. This Roc Retinol Correxion cream fits the bill as it contains both hyaluronic acid and retinol so it promises to moisturize while also being non-comedogenic.
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