Skin science article
La Roche-Posay Effaclar Clarifying Solution Acne Toner Versus The INKEY List Succinic Acid Acne Treatment
La Roche-Posay Effaclar Clarifying Solution Acne Toner Versus The INKEY List Succinic Acid Acne Treatment This acne toner is formulated around Salicylic Acid and Glycolic Acid to clear breakouts and refine skin texture. This acne treatment is formulated around
La Roche-Posay Effaclar Clarifying Solution Acne Toner Versus The INKEY List Succinic Acid Acne Treatment
This acne toner is formulated around Salicylic Acid and Glycolic Acid to clear breakouts and refine skin texture.
This acne treatment is formulated around Colloidal Sulfur and Salicylic Acid to clear breakouts and refine the look of pores.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Salicylic Acid
Water
Alcohol Denat.
Propanediol
Glycolic Acid
Sodium Hydroxide
Capryloyl Glycine
Phenoxyethanol
Benzyl Alcohol
PPG-26-Buteth-26
PEG-40 Hydrogenated Castor Oil
Menthol
Tremella Fuciformis Polysaccharide
Butylene Glycol
Ophiopogon Japonicus Root Extract
Scutellaria Baicalensis Root Extract
Salicylic Acid, Water, Alcohol Denat., Propanediol, Glycolic Acid, Sodium Hydroxide, Capryloyl Glycine, Phenoxyethanol, Benzyl Alcohol, PPG-26-Buteth-26, PEG-40 Hydrogenated Castor Oil, Menthol, Tremella Fuciformis Polysaccharide, Butylene Glycol, Ophiopogon Japonicus Root Extract, Scutellaria Baicalensis Root Extract
Caprylic/Capric Triglyceride
Glyceryl Stearate Se
Stearic Acid
Cetearyl Alcohol
Colloidal Sulfur
Glycerin
Succinic Acid
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Squalane
Sodium Hyaluronate
Polysorbate 60
Ethylhexylglycerin
Dehydroacetic Acid
Malachite Extract
Sorbitan Isostearate
Trisodium Ethylenediamine Disuccinate
CI 75810
Water, Caprylic/Capric Triglyceride, Glyceryl Stearate Se, Stearic Acid, Cetearyl Alcohol, Colloidal Sulfur, Glycerin, Succinic Acid, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Salicylic Acid, Phenoxyethanol, Squalane, Benzyl Alcohol, Sodium Hyaluronate, Polysorbate 60, Ethylhexylglycerin, Sodium Hydroxide, Dehydroacetic Acid, Malachite Extract, Sorbitan Isostearate, Trisodium Ethylenediamine Disuccinate, CI 75810
Reviews
Alternatives
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Benzyl Alcohol is an aromatic alcohol with several roles: it's a preservative, solvent, and mild fragrance component with a floral scent.
This ingredient has been deemed safe for use in cosmetic formulations at concentrations up to 5%, and up to 10% in hair dyes. You'll typically see 0.5-2% in most rinse-off or leave-on products.
As a preservative, it works by disrupting the membrane of microbial proteins. This helps keep bacteria and fungi from growing in your products.
The sensitization picture is actually quite assuring as well:of nearly 71,000 patients patch tested with benzyl alcohol, only 0.21% showed a positive reaction with most of them being weakly positive.
This led researchers to conclude that benzyl alcohol cannot be regarded as a significant contact allergen.
It is worth noting this ingredient is classified as one of the EU's regulated fragrance allergens and restricted to 1% in finished products.
Labels must also declare it in concentrations above 0.001% in leave-on products and 0.01% in rinse-off products.
At concentrations around 5%, localized redness and itching can appear as a direct irritant response and not as a true allergic reaction.
Phenoxyethanol is one of the most widely used preservatives in skincare (and for good reason!).
It has a large spectrum of antimicrobial activity and especially effective bacteria, yeast, and mold while only having a weak effect on your skin's natural microbiome.
On a cellular level, it disrupts the cell membranes of microbes by poking holes that make the cell leak. This shuts down the chemical reactions the microbe needs to make energy so it can no longer survive.
Another perk of this ingredient is that it stays functional across a wide pH range (3-10).
You'll often see it paired with boosters like Ethylhexylglycerin; one study showed that a 1:9 ratio of Ethylhexylglycerin to Phenoxyethanol damages bacterial membranes as effectively as doubling the Phenoxyethanol concentration on its own.
Typical use concentrations range from 0.3-1% depending on the formula, and this ingredient is capped at 1% int the EU.
Safety-wise, the fear mongering does not hold up to the evidence. The EU's Scientific Committee on Consumer Safety and FDA consider it safe as a preservative at up to 1%, including for children of all ages.
Adverse systemic effects only showed up in animal studies at exposures roughly 200x higher than what people get from cosmetics. And despite its very widespread use, this ingredient is a rare sensitizer and allergic reactions are uncommon.
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.
Sodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.
In small amounts, sodium hydroxide is considered safe to use. However, large amounts may cause chemical burns due to its high alkaline.
Your skin has a natural pH and acid mantle. This acid mantle helps prevent harmful bacteria from breaking through. The acid mantle also helps keep your skin hydrated.
"Alkaline" refers to a high pH level. A low pH level would be considered acidic.
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!