Skin science article
Paula's Choice Calm Redness Relief 1% BHA Lotion Exfoliant Versus Good Molecules Overnight Exfoliating Treatment
Paula's Choice Calm Redness Relief 1% BHA Lotion Exfoliant Versus Good Molecules Overnight Exfoliating Treatment This calming exfoliator is formulated around Salicylic Acid and Allantoin to calm redness and refine skin texture. This smoothing treatment is form
Paula's Choice Calm Redness Relief 1% BHA Lotion Exfoliant Versus Good Molecules Overnight Exfoliating Treatment
This calming exfoliator is formulated around Salicylic Acid and Allantoin to calm redness and refine skin texture.
This smoothing treatment is formulated around Glycolic Acid and Lactic Acid to refine skin texture and brighten dull-looking skin.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Butylene Glycol
Cetyl Alcohol
Cyclopentasiloxane
Dimethicone
Salicylic Acid
Avena Sativa Bran Extract
Allantoin
Camellia Sinensis Leaf Extract
Glycyrrhiza Glabra Root Extract
Epilobium Angustifolium Flower/Leaf/Stem Extract
Lauric Acid
Glycerin
Polysorbate 20
Sorbitan Stearate
Magnesium Aluminum Silicate
Ammonium Acryloyldimethyltaurate/Vp Copolymer
PEG-40 Stearate
Xanthan Gum
Hexylene Glycol
Sodium Hydroxide
Ethylhexylglycerin
Disodium EDTA
Phenoxyethanol
Caprylyl Glycol
Water, Butylene Glycol, Cetyl Alcohol, Cyclopentasiloxane, Dimethicone, Salicylic Acid, Avena Sativa Bran Extract, Allantoin, Camellia Sinensis Leaf Extract, Glycyrrhiza Glabra Root Extract, Epilobium Angustifolium Flower/Leaf/Stem Extract, Lauric Acid, Glycerin, Polysorbate 20, Sorbitan Stearate, Magnesium Aluminum Silicate, Ammonium Acryloyldimethyltaurate/Vp Copolymer, PEG-40 Stearate, Xanthan Gum, Hexylene Glycol, Sodium Hydroxide, Ethylhexylglycerin, Disodium EDTA, Phenoxyethanol, Caprylyl Glycol
Glycolic Acid
Sodium Citrate
Propanediol
1,2-Hexanediol
Lactic Acid
Alcohol Denat.
Sodium Hyaluronate
Tocopherol
Water, Glycolic Acid, Sodium Citrate, Glycerin, Propanediol, 1,2-Hexanediol, Lactic Acid, Alcohol Denat., Xanthan Gum, Butylene Glycol, Salicylic Acid, Sodium Hyaluronate, Ethylhexylglycerin, Tocopherol
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Alternatives
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.
Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.
Ethylhexylglycerin is created from glycerin. It is a multitasker ingredient that:
The CIR Expert Panel found minimal skin absorption or sensitization of any kind in a safety assessment. Though this ingredient is considered well-tolerated, a small number of cases of allergic dermatitis have been published since 2002. Just be sure to patch test if you are unsure.
Industry-reported use ranges from 8% in rinse-off products and 2% in leave-on formulations.
Glycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum.
Topically, glycerin does several things at once:
Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3.
Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin.
This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products.
Just know very high concentrations (>40%) can feel tacky in low humidity.
Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.
Salicylic Acid (also known as beta hydroxy acid or BHA) is a well-known ingredient for treating skin that struggles with acne and clogged pores. It exfoliates both the skin's surface and deep within the pores to help clear out buildup, control oil, and reduce inflammation.
Unlike AHAs (alpha hydroxy acids), salicylic acid is oil-soluble. This allows it to penetrate into pores which makes it especially effective for treating blackheads and preventing future breakouts.
Salicylic acid is also known for its soothing properties. It has a similar structure to aspirin and can calm inflamed or irritated skin, making it a good option for acne-prone skin that is also sensitive.
Concentrations of 0.5-2% are recognized by the U.S. FDA as an over-the-counter topical acne product.
It can cause irritation and/or dryness if one's skin already has a compromised moisture barrier, so it's best to focus on repairing that before introducing this ingredient into your routine.
While salicylic acid does not increase sun sensitivity, it’s still important to wear sunscreen daily to protect your skin.
If you are looking for the ingredient called BHA or Butylated Hydroxyanisole, click here.
Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.
You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Remember to stay hydrated!
Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.
On the technical side of things, xanthan gum is a polysaccharide - a combination consisting of multiple sugar molecules bonded together.
Xanthan gum is a pretty common and great ingredient. It is a natural, non-toxic, non-irritating ingredient that is also commonly used in food products.