Peter Thomas Roth - PRO Strength Retinoid Peptide Serum

Peter Thomas Roth PRO Strength Retinoid Peptide Serum

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WORKS FOR
  • Anti-aging
  • Moisturizing
  • Evens skin tone
  • Anti-blemish
  • +1 more
KEY INGREDIENTS
  • hydroxypinacolone retinoate
  • ceramide np
  • linoleic acid
  • palmitoyl hexapeptide-14
  • bisabolol
  • caprylic/capric triglyceride
  • coco-caprylate/caprate
  • cyclopentasiloxane
  • dimethicone
  • ethylhexyl hydroxystearate
  • laminaria ochroleuca extract
  • phytosteryl canola glycerides
  • polysilicone-11
  • sodium hyaluronate
  • sodium pca
  • squalane
  • tocopherol
  • triolein
  • +15 more
PROMISES
FULFILLED
100 /100
IRRITANCY
MEDIUM
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Formula review

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WIMJ summary

This product can help reduce breakouts and clogged pores because it contains the following ingredient: hydroxypinacolone retinoate. This ingredient is used for treating acne and can have a noticeable effect.

Ingredient Effectiveness Concentration Irritancy
HIGH
meets threshold
LOW
meets threshold
See a mistake?
Promise
What does the product description say?
"Helps visibly improve the look of fine lines and wrinkles."
WIMJ summary

This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains hydroxypinacolone retinoate.

These ingredients in the product can also be helpful, even though there is less evidence for their effectiveness: palmitoyl hexapeptide-14.

Keep in mind that it typically takes at least 6 weeks to notice any results because the changes that are needed to improve fine lines and elasticity happen in the deeper layers of the skin. No topical anti-aging product can “erase” wrinkles or fully reverse signs of aging.

Ingredient Effectiveness Concentration Irritancy
HIGH
meets threshold
MEDIUM
meets threshold
LOW
does not meet threshold
See a mistake?
Promise
What does the product description say?
"Helps visibly improve the look of fine lines, wrinkles, uneven skin tone, texture, and radiance."
WIMJ summary

This product can help reduce hypepigmentation and even out the skin tone because it contains the following effective ingredients: hydroxypinacolone retinoate.

Keep in mind that you would need to apply any topical skincare targetted at hypigmentation consistently for a couple of months to get a result. No topical skincare product can help get rid of hyperpigmentation (including post-acne marks and age spots) instantly.

Ingredient Effectiveness Concentration Irritancy
HIGH
meets threshold
See a mistake?
Promise
What does the product description say?
"It is also formulated with squalane, ceramide NP, and a super lipid complex, which help moisturize and minimize the potential for irritation and dryness."
WIMJ summary

This product can help improve hydration of the skin with the two types of ingredients.

The first type is called “humectants”:
these ingredients help attract water. When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. The following ingredients in this product do the job: sodium hyaluronate, sodium pca.

This product also contains ingredients called “occlusives”. They help reduce the speed with which our skin loses moisture to the outside environment. These ingredients also help soften the upper layer of the skin, so it feels less tight and nicer to the touch. The following ingredients in this product do the job: caprylic/capric triglyceride, dimethicone.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: ceramide np, linoleic acid, palmitoyl hexapeptide-14

Ingredient Effectiveness Concentration Irritancy
HIGH
meets threshold
HIGH
meets threshold
HIGH
meets threshold

Potential irritants

IRRITANCY
MEDIUM

Ingredients by volume

Ingredient Estimated concentration
Helps dissolve other ingredients in a formulation
23% - 35%
A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish
6.1% - 9.2%
Forms a protective film on the surface of the skin to prevent moisture loss. Gives a velvety feel to products while reducing tackiness
5.1% - 7.7%
Used to dissolve other ingredients in a product and can enhance their ability to penetrate the skin
3.7% - 5.5%
A type of silicone. Used to improve product texture
2.7% - 4.1%
A silicone that helps improve the product texture and spreadability. Can absord oil creating a short-term mattifying effect on the skin
2.1% - 3.2%
A silicone that forms a light film on the skin surface helping to bind water and temporarily absorb oils creating a matt and powdery feel
1.7% - 2.5%
Helps to soften the upper layer of the skin without creating a greasy texture
1.3% - 2%
A good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin
1.3% - 1.9%
A derivative of the most potent form of vitamin A, retinoic acid. The ingredient can be sold under name Granactive Retinoid. Note that if a skincare brand discloses the concentration of Granactive Retinoid in a product, the concentration refers to a diluted form of Hydroxypinacolone Retinoate: 1% of Granactive Retinoid corresponds to 0.1% of Hydroxypinacolone Retinoate. Hydroxypinacolone Retinoate (HPR) is a unique derivative of retinoic acid because it can directly work in the skin and does not require additional conversion steps. According to studies done by the manufacturer on models of human skin (not real people), this derivative is more effective than other cosmetic versions of retinoids (such as retinol, retinaldehyde, and retinyl palmitate), and, at the same time, causes less irritation. It has been also demonstrated to be more stable than retinol which makes formulating with easier and increases the chances that a product with it will maintain its effectiveness after opening. The packaging should still ideally be air-tight. HPR is available over the counter in the EU, UK, Asia, Australia and New Zealand, but is only with a prescription in Canada.
0.2% - 0.75%
0.55% - 1.25%
A type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin
0.5% - 1.2%
0.4% - 0.95%
A plant extract that might have some anti-oxidant properties. Avoid if you are sensitive to gluten
0.45% - 1%
0.35% - 0.8%
Helps attract water to the upper layer of the skin
0.35% - 0.8%
A plant extract that can contain an irritating essential oil. Might have some anti-oxidant effect, but evidence is lacking
0.35% - 0.75%
Helps soften the upper layer of the skin
0.3% - 0.75%
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
0.2% - 0.75%
Naturally present in skin and helps to attract water to its upper layer
0.2% - 0.7%
An oil naturally present in skin. Works as an emollient to soften the skin and form a protective layer on its surface without a greasy feeling.
0.3% - 0.75%
Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself
0.2% - 0.7%
Used mostly for creating emulsions - helping oil and water mix together. Helps soften the upper layer of the skin
0.3% - 0.75%
An excellent emollient. Helps soften the skin, restore its barrier function, and can help to calm down inflammation. It can be helpful to prevent blemishes and clogged pores
0.35% - 0.8%
Helps soften the upper layer of the skin. At the same time, it can weaken the skin's barrier enhancing penetration of other ingredients and increasing the risk of skin dryness
0.3% - 0.75%
An emollient that is naturally present in skin and helps soften it
0.3% - 0.7%
Helps oil and water mix together and works as an emollient
0.35% - 0.85%
0.3% - 0.75%
Helps soften the upper layer of the skin
0.15% - 0.65%
An active component of chamomile plant that historically has been used to calm down irritated skin. A recent study shows that bisabolol indeed can have some anti-inflammatory effect on skin, even though conclusive data is lacking. Bisabolol has a sweet floral scent and can be added to products for its aromatic properties
0.15% - 0.55%
Helps soften the upper layer of the skin and reduce water loss from it
0.2% - 0.7%
Helps to improve the product consistency
0.1% - 0.45%
A preservative
0.1% - 0.45%
Plain old water
0.1% - 0.4%
Creates an illusion of smoother and more radiant skin tone. Adds shimmer to the skin by reflecting light
0.1% - 0.45%
A preservative. It helps prevent bacterial growth in cosmetic products
0.1% - 0.4%

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