Educational guide
CeraVe Skin Renewing Retinol Serum Versus Estée Lauder Advanced Night Repair Synchronized Recovery Complex II
CeraVe Skin Renewing Retinol Serum Versus Estée Lauder Advanced Night Repair Synchronized Recovery Complex II This anti-aging serum is formulated around Ceramide NP and Niacinamide to soften the look of wrinkles and refine skin texture. This barrier-repair ser
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CeraVe Skin Renewing Retinol Serum Versus Estée Lauder Advanced Night Repair Synchronized Recovery Complex II
This anti-aging serum is formulated around Ceramide NP and Niacinamide to soften the look of wrinkles and refine skin texture.
This barrier-repair serum is formulated around Bifida Ferment Lysate to strengthen the skin barrier.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Glycerin
Caprylic/Capric Triglyceride
Potassium Cetyl Phosphate
Hydrogenated Palm Glycerides
Polysorbate 20
PEG-40 Stearate
Cyclopentasiloxane
Hydroxyethylcellulose
Potassium Phosphate
Ceramide NP
Ceramide AP
Ceramide EOP
Carbomer
Niacinamide
Isoceteth-10
Dimethicone/Vinyl Dimethicone Crosspolymer
Triethanolamine
Cetearyl Alcohol
Behentrimonium Methosulfate
Cichorium Intybus Root Extract
Lecithin
Retinol
Silica
Sodium Lauroyl Lactylate
Cholesterol
Phenoxyethanol
Tocopherol
Alcohol
Hydroxyacetophenone
Citric Acid
Hydrolyzed Hyaluronic Acid
Pentylene Glycol
Xanthan Gum
Phytosphingosine
Butyrospermum Parkii Butter
Ethylhexylglycerin
Water, Glycerin, Caprylic/Capric Triglyceride, Potassium Cetyl Phosphate, Hydrogenated Palm Glycerides, Polysorbate 20, PEG-40 Stearate, Cyclopentasiloxane, Hydroxyethylcellulose, Potassium Phosphate, Ceramide NP, Ceramide AP, Ceramide EOP, Carbomer, Niacinamide, Isoceteth-10, Dimethicone/Vinyl Dimethicone Crosspolymer, Triethanolamine, Cetearyl Alcohol, Behentrimonium Methosulfate, Cichorium Intybus Root Extract, Lecithin, Retinol, Silica, Sodium Lauroyl Lactylate, Cholesterol, Phenoxyethanol, Tocopherol, Alcohol, Hydroxyacetophenone, Citric Acid, Hydrolyzed Hyaluronic Acid, Pentylene Glycol, Xanthan Gum, Phytosphingosine, Butyrospermum Parkii Butter, Ethylhexylglycerin
Bifida Ferment Lysate
Methyl Gluceth-20
PEG-75
Bis-PEG-18 Methyl Ether Dimethyl Silane
Butylene Glycol
Propanediol
Cola Acuminata Seed Extract
Hydrolyzed Algin
Pantethine
Caffeine
Tripeptide-32
Sodium Rna
Bisabolol
Glycereth-26
Squalane
Sodium Hyaluronate
Oleth-3 Phosphate
Caprylyl Glycol
Lactobacillus Ferment
Oleth-3
Oleth-5
Anthemis Nobilis Flower Extract
Faex Extract
Choleth-24
Hydrogenated Lecithin
Ceteth-24
Tocopheryl Acetate
Ethylhexyl Methoxycinnamate
Hexylene Glycol
Trisodium EDTA
BHT
CI 14700
CI 19140
Water, Bifida Ferment Lysate, Methyl Gluceth-20, PEG-75, Bis-PEG-18 Methyl Ether Dimethyl Silane, Butylene Glycol, Propanediol, Cola Acuminata Seed Extract, Hydrolyzed Algin, Pantethine, Caffeine, Lecithin, Tripeptide-32, Ethylhexylglycerin, Sodium Rna, Bisabolol, Glycereth-26, Squalane, Sodium Hyaluronate, Oleth-3 Phosphate, Caprylyl Glycol, Lactobacillus Ferment, Oleth-3, Oleth-5, Anthemis Nobilis Flower Extract, Faex Extract, Choleth-24, Hydrogenated Lecithin, Ceteth-24, Tocopheryl Acetate, Ethylhexyl Methoxycinnamate, Hexylene Glycol, Carbomer, Triethanolamine, Trisodium EDTA, BHT, Xanthan Gum, Phenoxyethanol, CI 14700, CI 19140
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.
Carbomer is a synthetic thickening and gelling agent. It's basically the ingredient that gives a lot of serums, gels, creams, and sunscreens their smooth, non-sticky texture.
Although legally permitted at very high levels, carbomers are normally used at concentrations below 1%.
It also needs to be neutralized to actually thicken, and because it is a large molecule, it doesn't really penetrate the skin barrier.
Allergy-wise, the risk is very low. Clinical studies show carbomers have low potential for skin irritation/sensitization even at concentrations up to 100%.
A 2024 UK study patch-tested 1,302 patients and found true allergy to the parent group of carbomer to be rare with no confirmed relevant reactions.
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.
Lecithin is a term for a group of substances found in the cell membranes of plants, animals, and humans. They are made up of phospholipids.
Thanks to its amphiphilic structure (water-loving head and oil-loving tail), it is a true multitasker:
It plays well with most ingredients and is typically used at 0.1-1%. However, concentrations up to 50% have been reported in moisturizers.
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.
Triethanolamine (TEA) is an emulsifier and pH adjuster. It is created using ethylene oxide and ammonia. This gives Triethanolamine a nitrogen core and a similar scent to ammonia.
As an emulsifier, it prevents ingredients from separating and enhances texture by adding volume to a product.
PH adjusters are common in cosmetic products. The pH of a product can affect the effectiveness of other ingredients. A product with a high pH may also irritate the skin.
If you are looking for the tea leaf ingredient, 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.