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The Ordinary PHA 5% Exfoliating Lip Serum
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Highlights
Summary
Your Lips Have Chemistry. Powered by PHAs, The Ordinary's PHA 5% Exfoliating Lip Serum targets the surface of your lips to exfoliate, hydrate, and plump. The result? Smoother, healthier-looking lips—with undeniable chemistry.
Key Ingredients
- Gluconolactone (Polyhydroxy Acid): Helps gently exfoliate away dead skin, for a smoother lip appearance.
- Ectoin: Supports the skin barrier to help retain moisture and protect against external aggressors.
- Glycerin: Helps restore lip hydration to support the natural exfoliation process.
- Alpha Hydroxy Acids (Citric Acid, Malic Acid and Tartaric Acid): A combination of 3 alpha-hydroxy acids support exfoliation, while also imparting a sour taste to the formula.
- Daucus Carota Sativa (Black Carrot): An extract of black carrot rich in anthocyanins, known for their antioxidant properties
- *All ingredients in PHA 5% Exfoliating Lip Serum are considered food grade
- *This plant-derived ingredient may contribute to colour variations in the product ranging from vivid pink to pale peach however should not impact efficacy.
Research Results
- Gentle Exfoliation: Gently exfoliates and smooths lips while respecting the barrier
- Smoothness: Promotes skin renewal for smoother-looking lips.
- Shine: Gives lip a more radiant shine
- Hydration: Increases moisture content by 30%* for plumper lips even when bare*
- *Clinical testing on 22 subjects after using product 3x/week for 2 weeks.
Item 2645081
Apply a thin layer onto clean, dry lips on alternate evenings as needed. Allow the product to dry. Apply lip balm as needed throughout the day. If irritation occurs, rinse off, cease use, and consult a physician. Use only as directed on unbroken skin. Avoid contact with eyes. Patch testing prior to use is advised. Refer to our website for a patch test guide, regimen guide, and product compatibility. Keep out of reach of children. It is recommended that prior to exposure to the sun, users apply sunscreen or an SPF lip balm.
Glycerin, Aqua/Water/Eau, Gluconolactone, Ectoin, Daucus Carota Sativa (Carrot) Juice, Citric Acid, Malic Acid, Tartaric Acid, Sodium Hydroxide, Xanthan Gum, Potassium Sorbate, Sodium Benzoate.
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Reviews
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Ratings Distribution
Most Helpful Positive Review
Game changer-threw out all my sugar scrubs
Finally, a lip exfoliating product that delivers! I am constantly buying products for my lips that actually smooth lips and keep them chap free. Physical exfoliants harshly pull flaky dead skin off, often leading to the pulling off of healthy skin and then I'm left dealing with a whole other issue o...
Most Helpful Critical Review
Not what I hoped for
I was really excited to use this, as I struggle with chronically dry lips no matter how much water I drink or whatever lip balms I use. I have used glycolic acid before to exfoliate my lips but did so sparingly so I was super excited to see a lip-specific exfoliating product but I am disappointed. O...
149 results
Fist step before gloss/lip stick!
I loveeeee this! Im Black with thick lips, sometimes can be dry/peeling. I love weering lip gloss daily so putting a drop of this on my lips before lip gloss helps my lips to not peel. It feels like a layer of skin sealant, kinda like if you're about to paint your house walls a pretty color but you add a white base coat first to make sure there won't be any patchiness. Only purchased one bottle so far but I think the bottle will last me 3 months if used daily!
I will forever use this!
This stuff is amazing and made my lips feel so much better after a dry cracked winter! I noticed a difference after the first use.
WARNING!! Do NOT buy if you have very sensitive skin!
If I could give this product 0 stars I would. I used this product ONE time on my lips and had the worst reaction of my life. This may just be a (me) thing since I have sensitive skin, but my entire lips peeled off. They were oozing a yellow liquid, peeling, and had chemical burn blisters for almost 2 weeks. This product created cracks in my lips on the inside that burned whenever I tried to eat or drink. Please be wary of this product if you have sensitive skin. The first picture is my lips before and the second is after when my lips puffed up, inflamed and started to ooze. Please patch test this product on the inside of your elbow before applying to the lips!!


elimates peeling lips
Love this product. I use it every few days and it elimates the peeling on my lips. Taste is a little bitter, but not intended to "taste". Very good product for exfoliating and softening lips.
It's fine
This product clearly has a high amount of glycerin, the texture is similar to pure glycerin. The main issue i experienced with it is that it takes a long time to absorb into the lips (which is very typical of products with SO much glycerin). Since it's just an exfoliating serum, and needs a lip balm on top to seal in the moisture I have to wait a while before i can apply the balm. I advise applying a really tiny amount, less than a drop, because then it will be absorb faster. Ask for the performance of the product, it's fine. Hydrating, doesn't stand out from other hydrating serums i've applied to my lips.