PRODUCT REVIEW
Prequel SUN BARRIER MINERAL SUNSCREEN BROAD SPECTRUM SPF 50 PA++++
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Kosas - DreamBeam Silicone-Free Mineral Sunscreen SPF 40 with Ceramides and Peptides
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Product summary
What can the product work for?
Sun protection
zinc oxide
18%
Irritation risk:
UVA I protection: UVA II protection: UVB protection: Photo stable: Ingredient type Mineral
A broad spectrum sunblock (protects from both UVA and UVB rays). Is suitable for most sensitive skins. In small concentrations, can be used as a colorant
butyloctyl salicylate
3.1% -
3.8%
Irritation risk:
UVA I protection: UVA II protection: UVB protection: Photo stable: Ingredient type Organic
A synthetic ester of salicylic acid that is used to help disperse pigments and boost effectiveness of sunscreen ingredients. It is able to absorb UV light (working as an organic, or chemical filter), but is not approved as a sunscreen ingredient on its own
iron oxides
0.15% -
0.25%
Irritation risk:
Concentration: Effectiveness:
LOW
An umbrella term for the following three colorants: CI 77491, CI 77492, CI 77499. They might be able to offer some protection against visible light, but the degree of the protection is not clear
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Moisturizing
What does the product description say?
A lightweight, semi-transparent mineral sunscreen that provides optimal physical protection while boosting the skin’s moisture barrier.
caprylic/capric triglyceride
6.2% -
7.5%
Irritation risk:
Concentration: Effectiveness: HIGH
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
glycerin
1.9% -
2.4%
Irritation risk:
Concentration: Effectiveness: HIGH
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
lauroyl lysine
0.3% -
0.55%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
Helps soften the upper layer of the skin and creates a nice product texture
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Anti-aging
camellia sinensis leaf extract
0.5% -
0.75%
Irritation risk:
Concentration: Effectiveness:
LOW
Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation
tetrahydrodiferuloylmethane
0.55% -
0.85%
Irritation risk:
Concentration: Effectiveness:
LOW
An anti-oxidant derived from curcumin (naturally present in tumeric). Is a part of the tetrahydrocurcuminoids complex (THC). The complex might be helpful in neutralizing free radicals in skin and possibly help even out the skin tone. Can be irritating
tetrahydrodemethoxydiferuloylmethane
0.5% -
0.75%
Irritation risk:
Concentration: Effectiveness:
LOW
An anti-oxidant derived from curcumin (naturally present in tumeric). Is a part of the tetrahydrocurcuminoids complex (THC). The complex might be helpful in neutralizing free radicals in skin and possibly help even out the skin tone. Can be irritating
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Evens skin tone
tetrahydrobisdemethoxydiferuloylmethane
0.5% -
0.75%
Irritation risk:
Concentration: Effectiveness:
LOW
An anti-oxidant derived from curcumin (naturally present in tumeric). It might be helpful in neutralizing free radicals in skin and possibly help even out the skin tone. Can be irritating
tetrahydrodemethoxydiferuloylmethane
0.5% -
0.75%
Irritation risk:
Concentration: Effectiveness:
LOW
An anti-oxidant derived from curcumin (naturally present in tumeric). Is a part of the tetrahydrocurcuminoids complex (THC). The complex might be helpful in neutralizing free radicals in skin and possibly help even out the skin tone. Can be irritating
tetrahydrodiferuloylmethane
0.55% -
0.85%
Irritation risk:
Concentration: Effectiveness:
LOW
An anti-oxidant derived from curcumin (naturally present in tumeric). Is a part of the tetrahydrocurcuminoids complex (THC). The complex might be helpful in neutralizing free radicals in skin and possibly help even out the skin tone. Can be irritating
Show more
Anti-oxidation
camellia sinensis leaf extract
0.5% -
0.75%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation
tetrahydrobisdemethoxydiferuloylmethane
0.5% -
0.75%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
An anti-oxidant derived from curcumin (naturally present in tumeric). It might be helpful in neutralizing free radicals in skin and possibly help even out the skin tone. Can be irritating
tetrahydrodiferuloylmethane
0.55% -
0.85%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
An anti-oxidant derived from curcumin (naturally present in tumeric). Is a part of the tetrahydrocurcuminoids complex (THC). The complex might be helpful in neutralizing free radicals in skin and possibly help even out the skin tone. Can be irritating
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Honesty check
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Sun protection | |
| Moisturizing |
Total Promises Fulfilled score:
90/100.
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Can it cause trouble?
- Overall product irritation risk
- Acne & comedogenic risk ingredients: 1
Potential irritants
zingiber officinale root extract
0.55% -
0.8%
Irritation risk:
Works for:
Anti-oxidation
A plant extract that can contain an irritating essential oil. Might have some anti-oxidant effect, but evidence is lacking
tetrahydrodiferuloylmethane
0.55% -
0.85%
Irritation risk:
Works for:
Anti-oxidation,
Evens skin tone,
Anti-aging
An anti-oxidant derived from curcumin (naturally present in tumeric). Is a part of the tetrahydrocurcuminoids complex (THC). The complex might be helpful in neutralizing free radicals in skin and possibly help even out the skin tone. Can be irritating
Show more
Comodogenic ingredients
sorbitan oleate
0.2% -
0.4%
Irritation risk: Comedogenicity: Medium
Works for:
Cleansing
Helps oil and water mix together
User reviews (0)
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| WIMJ similarity score |
37%
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| SPF | SPF 50 | SPF 40 | SPF 44 | SPF 50 | SPF 33 | SPF 50 | SPF 30 | SPF 50 | SPF 45 | SPF 33 | SPF 30 |
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| Irritancy | IRRITANCY
MEDIUM
| IRRITANCY
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LOW
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LOW
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LOW
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LOW
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Ingredients & concentrations
All ingredients
Key Actives
centella asiatica extract
0.45% -
0.7%
Irritation risk:
Works for:
Moisturizing,
Reduces irritation,
Reduces redness,
Anti-inflammatory,
Anti-oxidation,
Anti-aging,
Anti-blemish
A plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.
camellia sinensis leaf extract
0.5% -
0.75%
Irritation risk:
Works for:
Anti-oxidation,
Antibacterial,
Anti-aging,
Anti-blemish,
Evens skin tone,
Moisturizing
Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation
Show more
Potential irritants
zingiber officinale root extract
0.55% -
0.8%
Irritation risk:
Works for:
Anti-oxidation
A plant extract that can contain an irritating essential oil. Might have some anti-oxidant effect, but evidence is lacking
tetrahydrodiferuloylmethane
0.55% -
0.85%
Irritation risk:
Works for:
Anti-oxidation,
Evens skin tone,
Anti-aging
An anti-oxidant derived from curcumin (naturally present in tumeric). Is a part of the tetrahydrocurcuminoids complex (THC). The complex might be helpful in neutralizing free radicals in skin and possibly help even out the skin tone. Can be irritating
Show more
Comodogenic ingredients
sorbitan oleate
0.2% -
0.4%
Irritation risk: Comedogenicity: Medium
Works for:
Cleansing
Helps oil and water mix together
All ingredients
zinc oxide
18%
Irritation risk:
Works for:
Sun protection
A broad spectrum sunblock (protects from both UVA and UVB rays). Is suitable for most sensitive skins. In small concentrations, can be used as a colorant
caprylic/capric triglyceride
6.2% -
7.5%
Irritation risk:
Works for:
Moisturizing
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
Show more
Ingredient list view
Zinc oxide, Water, Caprylic/capric triglyceride, Diisooctyl succinate, Butyloctyl salicylate, Propanediol, Glycerin, Cetearyl olivate, Polyhydroxystearic acid, Sorbitan olivate, Bisabolol, Pongamia pinnata seed extract, Zingiber officinale root extract, Tetrahydrodiferuloylmethane, Tetrahydrodemethoxydiferuloylmethane, Tetrahydrobisdemethoxydiferuloylmethane, Calendula officinalis flower extract, Camellia sinensis leaf extract, Chamomilla recutita flower extract, Centella asiatica extract, Phenoxyethanol, Polyglyceryl-4 laurate/succinate, Lauroyl lysine, Triethoxycaprylylsilane, Arachidyl alcohol, Silica, Xanthan gum, Potassium cetyl phosphate, Behenyl alcohol, Caprylyl glycol, Vp/eicosene copolymer, Arachidyl glucoside, Tetrasodium glutamate diacetate, Ethylhexylglycerin, Tocopheryl acetate, Cetyl alcohol, Tin oxide, Isononyl isononanoate, Ethylene/propylene/styrene copolymer, Sorbitan oleate, Titanium dioxide, Ci 77891, Mica, Iron oxides, Ci 77499, Ci 77491
Sources
- A review of inorganic UV filters zinc oxide and titanium dioxide
- Risk assessment of zinc oxide, a cosmetic ingredient used as a UV filter of sunscreens
- Characterization of the UVA protection provided by avobenzone, zinc oxide, and titanium dioxide in broad-spectrum sunscreen products
- Ultraviolet Protection Properties of Commercial Sunscreens and Sunscreens Containing Zno Nanorods
- ZnO nanoparticles and organic chemical UV-filters are equally well tolerated by human immune cells
- Safety assessment of Salicylic Acid, Butyloctyl Salicylate, Calcium Salicylate, C12-15 Alkyl Salicylate, Capryloyl Salicylic Acid, Hexyldodecyl Salicylate, Isocetyl Salicylate, Isodecyl Salicylate, Magnesium Salicylate, MEA-Salicylate, Ethylhexyl Salicylate, Potassium Salicylate, Methyl Salicylate, Myristyl Salicylate, Sodium Salicylate, TEA-Salicylate, and Tridecyl Salicylate
- Glycerol and the skin: holistic approach to its origin and functions
- α-(-)-Bisabolol Reduces Pro-Inflammatory Cytokine Production and Ameliorates Skin Inflammation
- Some phytochemical, pharmacological and toxicological properties of ginger (Zingiber officinale Roscoe): A review of recent research
- Use of tetrahydrocurcuminoids to regulate physiological and pathological events in the skin and mucosa
- Tetrahydrocurcuminoid cream plus targeted narrowband UVB phototherapy for vitiligo: a preliminary randomized controlled study
- Skin lightening effect of tetrahydrocurcumin
- Topical application of Calendula officinalis (L.): Formulation and evaluation of hydrophilic cream with antioxidant activity
- The seamy side of natural medicines: contact sensitization to arnica (Arnica montana L.) and marigold (Calendula officinalis L.)
- Final report on the safety assessment of Calendula officinalis extract and Calendula officinalis
- Contact dermatitis as an adverse reaction to some topically used European herbal medicinal products – part 1: Achillea millefolium–Curcuma longa
- Anti-Inflammatory Effect of Titrated Extract of Centella asiatica in Phthalic Anhydride-Induced Allergic Dermatitis Animal Model
- Centella asiatica in cosmetology
- Triterpene Composition and Bioactivities of Centella asiatica
- Asiaticoside induction for cell-cycle progression, proliferation and collagen synthesis in human dermal fibroblasts
- Assessment report on Centella asiatica (L.) Urban, herba
- Centella asiatica in Dermatology: An Overview
- The Effects of a Standardized Extract of Centella asiatica on Postlaser Resurfacing Wound Healing on the Face: A Split-Face, Double-Blind, Randomized, Placebo-Controlled Trial
- Safety Assessment of Vinylpyrrolidone Polymers as Used in Cosmetics
- Safety Assessment of Tin(IV) Oxide as Used in Cosmetics