Bromelain: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 23, 2025
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We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Bromelain?

Bromelain is a group of natural enzymes that come from pineapple juice and the plant’s stem. These enzymes break down proteins, which is why fresh pineapple can soften meat. Scientists first isolated bromelain in the late 1800s, and by the 1950s manufacturers began using it in skincare for its gentle yet effective exfoliating action. Today most cosmetic-grade bromelain is made by crushing leftover pineapple stems, filtering out solids, then purifying the enzyme blend into a stable powder or liquid. You will spot it in exfoliating masks, brightening cleansers, anti-aging serums, rough-skin body lotions, foot peels and post-shave soothing gels.

Bromelain’s Cosmetic Benefits/Uses

Bromelain brings two key actions to a formula that can help skin look smoother and feel softer.

  • Keratolytic: The enzymes loosen the “glue” that holds dead surface cells together so they shed more easily. This light exfoliation can make skin appear brighter, reduce the look of rough patches and prep the face to better absorb serums or moisturizers.
  • Skin Conditioning: By clearing away dull buildup bromelain supports a fresher, more even texture, which leaves skin feeling smooth and refreshed.

Who Can Use Bromelain

Bromelain suits most skin types including normal, combination, oily and dry because its enzymatic action is gentle and water soluble. Sensitive skin can usually tolerate it when used at low strengths, though people with compromised barriers or active eczema may feel mild stinging so a cautious approach is wise. Severe rosacea or open lesions should avoid it until the skin has calmed since exfoliation could worsen irritation.

The enzyme blend comes from pineapple plants so it is fully plant derived, which makes it acceptable for vegans and vegetarians. No animal byproducts are used in its standard cosmetic processing.

Current research shows no specific risk for topical bromelain during pregnancy or breastfeeding. That said this is not medical advice. Expectant or nursing women should have a healthcare provider review any skincare product they plan to use.

Bromelain does not increase photosensitivity, so it will not make skin more prone to sunburn. Standard daily sunscreen use is still recommended for overall skin health.

Potential Side Effects/Adverse Reactions

Responses to topical bromelain differ from person to person. The effects listed below are possible but uncommon when the ingredient is formulated and used correctly.

  • Redness or warmth
  • Mild stinging or tingling during application
  • Dryness or flaking if overused
  • Allergic reaction in individuals sensitive to pineapple or pollen cross-reactors
  • Increased sensitivity when layered with other strong exfoliants such as glycolic or salicylic acid

If irritation or any unexpected reaction occurs discontinue use and consult a healthcare professional or dermatologist

Comedogenic Rating

Rating: 0 (non-comedogenic)

Bromelain is a water-soluble enzyme blend that helps break down protein on the skin’s surface rather than sitting inside pores. Because it contains no heavy oils or waxes it is very unlikely to block follicles or trap sebum. For that reason it earns a solid 0 on the comedogenic scale and is generally suitable for people who are prone to acne or frequent breakouts.

Keep in mind the final comedogenic feel of a product depends on the overall formula. If bromelain is paired with rich butters or high-comedogenic oils the finished product could still clog pores even though the enzyme itself does not.

Summary

Bromelain works mainly as a keratolytic and skin-conditioning agent. Its natural enzymes loosen the bonds between dead surface cells so they can shed more easily, which smooths texture and leaves skin looking brighter and more even. By clearing away buildup the ingredient also helps other actives absorb more efficiently.

While not as famous as glycolic acid or retinol, bromelain has carved out a loyal following in exfoliating masks and gentle brightening products thanks to its plant origin and mild nature. Most users find it safe and easy to tolerate, with adverse reactions being rare when used as directed.

Overall topical bromelain is considered low risk, but as with any new skincare ingredient it is smart to perform a small patch test before full use to confirm your skin agrees with it.

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