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5 Science-Backed Benefits of Coffee Silverskin for Healthier-Looking Skin

Coffee silverskin is one of coffee’s most overlooked natural ingredients — and peer-reviewed research suggests it may offer meaningful benefits for hydration, antioxidant defense, and skin comfort.


At TEPI® Naturals, we believe some of the best ingredients come from nature — and sometimes from what the coffee industry once overlooked.

Coffee silverskin is the thin, papery layer that naturally protects the green coffee bean. During roasting, it separates from the bean and was long treated as a coffee by-product. Today, peer-reviewed research is revealing something remarkable: this overlooked botanical layer is rich in antioxidant compounds and shows real promise as a high-performance skincare active.

Coffee silverskin may not be well known yet — but it is well studied. And that is part of what makes it so special.

Long before it became part of the clean-beauty conversation, our team was already formulating with it. TEPI® Naturals has roots in coffee silverskin skincare dating back to 2019, when our original body care was first created under Silverskin Lotions.

Today, that early belief has evolved into coffee-powered skincare built around one of coffee’s most distinctive botanical treasures — an ingredient that is both scientifically compelling and beautifully sustainable.

We give coffee silverskin a second life by transforming this upcycled botanical into a high-performance ingredient for healthier-looking skin.

Maximum benefit for your skin. Minimum impact on the planet.

Here’s what peer-reviewed research reveals about why coffee silverskin deserves a starring role in your skincare routine.

DISCOVER THE SCIENCE

How Coffee Silverskin Supports Healthier-Looking Skin

1. Powerful Antioxidant Defense & Healthy-Aging Support

Coffee silverskin extract is rich in antioxidant compounds that help fight free radicals — one of the key contributors to visible signs of skin aging.

In laboratory testing on human skin cells, coffee silverskin extract at a 1 mg/mL concentration helped protect cells from oxidative stress and brought reactive oxygen species, or ROS, back toward normal levels.

In a living oxidative-stress model, coffee silverskin extract also supported survival in a way comparable to vitamin C. Researchers concluded that coffee silverskin shows “great potential for improving skin health,” including helping defend against oxidative stress associated with photoaging and premature visible aging.

Source: Iriondo-DeHond et al., 2016 — Coffee Silverskin Extract Protects against Accelerated Aging Caused by Oxidative Agents, published in Molecules.

2. Measurable Hydration & Skin Barrier Support

A 2023 clinical study tested a formula containing 2% Coffee Silverskin Active on 21 women with dry skin. After 28 days of use, the results showed:

+33.1% increase in skin hydration (measured instrumentally)

  • 100% of volunteers reported more hydrated skin
  • 95% reported less scaly skin

Supporting research also found that coffee silverskin extract helped support skin-barrier markers and reduced transepidermal water loss, or TEWL, suggesting a more resilient moisture barrier — especially beneficial for dry or dehydrated-looking skin.

Sources:
Grigolon et al., 2023 — From Coffee Waste to Active Ingredient for Cosmetic Applications, published in International Journal of Molecular Sciences.

Rodrigues et al., 2016 — In Vitro and In Vivo Comparative Study of Cosmetic Ingredients Coffee Silverskin and Hyaluronic Acid, published in Experimental Dermatology.

3. Soothing Comfort for Sensitivity-Prone Skin

Coffee silverskin extract has been studied for its ability to help comfort skin that feels easily stressed, reactive, or prone to sensitivity.

In clinical testing with a formula containing 2% Coffee Silverskin Active, researchers used a lactic acid stinging test to evaluate skin reactivity. After 28 days of use, skin sensitivity was reduced by 92.1% compared with initial conditions and showed significant improvement compared with placebo.

Additional testing also suggested that coffee silverskin may help reduce the look and feel of irritation while supporting barrier recovery — helping skin feel calmer, smoother, and more comfortable.

Source: Grigolon et al., 2023 — From Coffee Waste to Active Ingredient for Cosmetic Applications, published in International Journal of Molecular Sciences.

4. Antioxidant Support for a Brighter, More Even-Looking Complexion

Coffee silverskin is naturally rich in bioactive compounds, including chlorogenic acids, polyphenols, and caffeine — ingredients studied for their antioxidant and skin-supporting benefits.

These naturally occurring coffee compounds help defend against oxidative stress, one of the factors that can contribute to dullness, visible aging, and uneven-looking skin. Caffeine is also widely used in skincare for its toning and refreshing effect, helping skin look more energized and less tired.

Together, coffee silverskin’s antioxidant-rich profile supports a calmer, healthier-looking complexion with a brighter, more refreshed appearance.

Sources:
Bessada, Alves & Oliveira, 2018 — Coffee Silverskin: A Review on Potential Cosmetic Applications, published in Cosmetics.
Rodrigues et al., 2023 — Chlorogenic Acids and Caffeine from Coffee By-Products: A Review on Skincare Applications, published in Cosmetics.

5. Safe, Gentle & Well-Tolerated

Coffee silverskin extract has been evaluated for cosmetic safety in both laboratory and human testing. In skin and ocular irritation models, coffee silverskin extracts were not classified as irritating, and histological testing showed they did not negatively affect the structure of the tested skin or eye models.

Human testing also supports its gentle profile. In one topical-use study, the most promising coffee silverskin extract was considered safe for application to the skin. Additional research on coffee silverskin cosmetic formulations reported no cytotoxicity and no observed adverse or side effects during topical use.

For TEPI® Naturals, coffee silverskin brings more than antioxidant, hydration, and comfort benefits — it offers a naturally derived, upcycled active designed to be kind to the skin.

Sources:
Rodrigues et al., 2015 — Are coffee silverskin extracts safe for topical use? An in vitro and in vivo approach.
Rodrigues et al., 2015 — Coffee Silverskin: A Possible Valuable Cosmetic Ingredient.
Rodrigues et al., 2016 — Exploring the antioxidant potentiality of two food by-products into a topical cream: Stability, in vitro and in vivo evaluation.

Why TEPI® Naturals Uses Upcycled Coffee Silverskin

We didn’t choose coffee silverskin because it’s trendy — we chose it because the science is compelling and the sustainability story is just as powerful.

Our upcycled Coffea arabica Coffee Silverskin Extract is responsibly sourced from U.S. coffee roasters and thoughtfully processed to help preserve its naturally occurring bioactive compounds, including antioxidants, polyphenols, and caffeine.

We then blend it with complementary skin-loving ingredients such as coconut oil, hyaluronic acid, and vitamin C to create formulas that feel lightweight, silky, and fast-absorbing.

You’ll find coffee silverskin as a hero ingredient throughout the TEPI® Naturals collection — including RadiantBoost® Vitamin C Serum, Coffee Silverskin Antioxidant Serum, and our Body Lotions — helping deliver visible results you can see and comfort you can feel.

The Bottom Line

Coffee silverskin isn’t just another “natural” ingredient

It is a clinically studied, antioxidant-rich, skin-comforting botanical active with a powerful sustainability story behind it.


Research has explored coffee silverskin for antioxidant defense, hydration support, skin comfort, cosmetic safety, and healthy-aging potential — making it more than an upcycled botanical. It is a meaningful ingredient for your skincare journey.

By upcycling what the coffee industry once treated as a by-product, TEPI® Naturals helps turn overlooked coffee material into high-performance skincare — one bottle at a time.

Body of Evidence

  • Iriondo-DeHond et al., 2016 — Coffee Silverskin Extract Protects against Accelerated Aging Caused by Oxidative Agents, published in Molecules.
  • Grigolon et al., 2023 — From Coffee Waste to Active Ingredient for Cosmetic Applications, published in International Journal of Molecular Sciences.
  • Bessada, Alves & Oliveira, 2018 — Coffee Silverskin: A Review on Potential Cosmetic Applications, published in Cosmetics.
  • Rodrigues et al., 2015 — Coffee Silverskin: A Possible Valuable Cosmetic Ingredient, published in Pharmaceutical Biology.
  • Rodrigues et al., 2015 — Are coffee silverskin extracts safe for topical use? An in vitro and in vivo approach, published in Industrial Crops and Products.
  • Rodrigues et al., 2016 — Exploring the antioxidant potentiality of two food by-products into a topical cream: Stability, in vitro and in vivo evaluation, published in Drug Development and Industrial Pharmacy.
  • Rodrigues et al., 2016 — In vitro and in vivo comparative study of cosmetic ingredients Coffee Silverskin and Hyaluronic Acid, published in Experimental Dermatology.

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