Biologique Recherche Lotion P50 Versus ZO Skin Health Complexion Renewal Pads

Biologique Recherche Lotion P50 Versus ZO Skin Health Complexion Renewal Pads Detailed comparison of Biologique Recherche Lotion P50 versus ZO Skin Health Complexion Renewal Pads. This smoothing toner is formulated around Gluconolactone and Lactic Acid to refine skin texture and refine the look of pores. This smoothing exfoliating pad uses a pre-saturated pad with Salicylic Acid and Urea to refine skin texture and balance excess oil. Water Gluconolactone Lactic Acid Glycerin Propylene Glycol Niacinamide Citric Acid Ethoxydiglycol Magnesium Chloride Malic Acid Vinegar Phytic Acid Salicylic Acid Cochlearia Armoracia Root Extract Arctium Lappa Root Extract Rumex Acetosa Leaf Extract Myrtus Communis Extract Commiphora Myrrha Resin Extract Allium Cepa Bulb Extract Thymus Vulgaris Flower/Leaf Oil Sulfur Sorbitol Phenoxyethanol Sodium Benzoate Potassium Sorbate Water, Gluconolactone, Lactic Acid, Glycerin, Propylene Glycol, Niacinamide, Citric Acid, Ethoxydiglycol, Magnesium Chloride, Malic Acid, Vinegar, Phytic Acid, Salicylic Acid, Cochlearia Armoracia Root Extract, Arctium Lappa Root Extract, Rumex Acetosa Leaf Extract, Myrtus Communis Extract, Commiphora Myrrha Resin Extract, Allium Cepa Bulb Extract, Thymus Vulgaris Flower/Leaf Oil, Sulfur, Sorbitol, Phenoxyethanol, Sodium Benzoate, Potassium Sorbate Alcohol Urea Pterocarpus Soyauxii Wood Extract Phellodendron Amurense Bark Extract Hordeum Distichon Extract Camellia Sinensis Leaf Extract Artemisia Vulgaris Extract Plantago Lanceolata Leaf Extract Crithmum Maritimum Extract Spiraea Ulmaria Extract Sodium Hydroxide Glycolic Acid Butylene Glycol Sodium Carbonate Sodium Chloride Disodium EDTA T-Butyl Alcohol Denatonium Benzoate Parfum Citronellol Hexyl Cinnamal Limonene Linalool Water, Alcohol, Propylene Glycol, Salicylic Acid, Urea, Pterocarpus Soyauxii Wood Extract, Phellodendron Amurense Bark Extract, Hordeum Distichon Extract, Camellia Sinensis Leaf Extract, Artemisia Vulgaris Extract, Plantago Lanceolata Leaf Extract, Crithmum Maritimum Extract, Spiraea Ulmaria Extract, Sodium Hydroxide, Glycolic Acid, Butylene Glycol, Sodium Carbonate, Sodium Chloride, Disodium EDTA, T-Butyl Alcohol, Denatonium Benzoate, Phenoxyethanol, Parfum, Citronellol, Hexyl Cinnamal, Limonene, Linalool These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. 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. Propylene Glycol is a synthetic, colorless, odorless liquid that has been a staple in cosmetics for decades. It is a skin conditioning agent, humectant, and solvent. As a humectant, it draw water to the skin to reduce flaking and restore suppleness. It's also a solvent that helps dissolve other actives and keeps formulas stable across temperature changes. The CIR Expert Panel has confirmed this ingredient to be nontoxic and clinical studies show no sensitization at cosmetic use concentrations. True allergic reactions are quite rare: a 15-year retrospective study of 6,751 patients found only 0.31% had a positive reaction (and less than half were considered clinically relevant). It seemed that when sensitization does occur, it's most commonly linked to topical medication (like corticosteroids) and not cosmetics. Allergic contact dermatitis also appears largely limited to individuals with underlying skin conditions. Overall, propylene glycol is a well-studied ingredient that most people can tolerate without issue. 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. Sal