

"Ren Skincare - Glow & Protect Serum" could be helpful for: Moisturizing, but its actives are not the most effective or are not well-studied.
The product retails for 68.00$ in the United States, for 25.50A$ in Australia, from 30.55£ up to 50.00£ in the United Kingdom and for 87.50CA$ in Canada.
For a detailed price comparison: click here.
Promoting a more radiant and evenly-toned complexion, the formula also features mineral-rich Dragon Fruit, helping to support a healthy microbiome, while keeping the skin hydrated.
Source: Lookfantastic US
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:
glycerin, glycogen.
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: helianthus annuus seed oil, squalane.
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.
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
Helps attract water to the upper layer of the skin
A great emollient due to its high linoleic acid content. One of the most effective plant oils in helping skin hydration and repairing skin barrier function
A good emollient. Contains various ingredients including vitamins and fatty acids that could work in the skin to neutralize free radicals and minimize moisture loss - if enough of these compounds is able to penetrate the skin in an active form.
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
Helps to soften the upper layer of the skin without creating a greasy texture
Help soften the upper layer of the skin
Helps soften the upper layer of the skin
A non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture
A great emollient. Contains vitamin E (tocopherol) which may give it some anti-oxidant properties. Can contain volatile compounds and can be irritating
A vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)
The lightweight vitamin C serum is enriched with Kakadu Plum, boasting up to 100x higher vitamin C content than oranges.
Source: Lookfantastic US
Effective ingredients missing or their concentration is too low.
A vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)
A derivative of vitamin C that is more stable, but less bioavailable than the pure form of vitamin C. It does not penetrate the skin well, but has been shown to convert to pure vitamin C once in skin. It can be helpful in stimulating collagen production and lightening the skin tone, but the required concentration is likely to be very high
Designed to enhance the skin’s natural glow, the serum promotes a more radiant and even appearance while helping to prevent the visible signs of photo-ageing.
Source: Lookfantastic US
Effective ingredients missing or their concentration is too low
A vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)
A derivative of vitamin C that is more stable, but less bioavailable than the pure form of vitamin C. It does not penetrate the skin well, but has been shown to convert to pure vitamin C once in skin. It can be helpful in stimulating collagen production and lightening the skin tone, but the required concentration is likely to be very high
| Promise | Can it deliver? |
|---|---|
| Moisturizing | |
| Anti-aging | |
| Evens skin tone |
Total Promises Fulfilled score: 25/100.
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| Product | Similarity | Price | Irritancy |
|---|---|---|---|
![]() Ren Skincare Glow & Protect Serum | Current | $31.17 | |
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![]() Essano Advanced Brightening Vitamin C Serum | 58% | $23.00 | |
![]() Intraceuticals Booster Vitamin C+3 | 54% | $30.60 | |
![]() MZ Skin Brighten and Perfect | 52% | $250.00 | |
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Water, Glycerin, Coco-caprylate/caprate, Propanediol, Diisooctyl succinate, Squalane, Sucrose polystearate, Punica granatum seed oil, Cetearyl alcohol, Ascorbyl tetraisopalmitate, Rosa canina fruit oil, Benzyl alcohol, Helianthus annuus seed oil, Hylocereus undatus fruit extract, Xanthan gum, Glycogen, Sodium dehydroacetate, Hydrolyzed lupine protein, Sodium hyaluronate, Sodium stearoyl glutamate, Hippophae rhamnoides oil, Citric acid, Olea europaea oil unsaponifiables, Magnesium ascorbyl phosphate, Dehydroacetic acid, Terminalia ferdinandiana fruit extract, Rosmarinus officinalis leaf extract, Parfum, Citrus aurantium amara flower extract, Linalool, Limonene, Geraniol, Benzoic acid, Sodium hydroxide

