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Purity Vision BIO Hydro2 sérum
Purity Vision

Purity Vision BIO Hydro2 sérum

Efficacy75/100IrritancyHigh
See all ingredients

Works for

Moisturizing
Glycerin, Lactobacillus ferment + 4 more
Works
What the product description says
“BIO Hydro 2 sérum”
From product name

This product contains good ingredients to attract water to the upper layer of the skin. These ingredients are called "humectants": glycerin, lactobacillus ferment.

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. If the air is dry, humectants can speed up the moisture loss from the skin. This is why it is a good idea to use another product on top of this one to help "seal in" the moisture (look for ingredients like dimethicone, squalane, oils and butters).

GlycerinKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant~2.1–3.2%
Lactobacillus fermentKey active· HumectantEffect: HighA fermentation product created by bacteria Lactobacillus. The fermented product has anti-bacterial properties and might be helpful in calming down inflammation, but studies are lacking. Helps attract water to the upper layer of the skin. Can be used as a preservative~1.6–2.4%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~1.1–1.7%
Lactobacillus/arundinaria gigantea ferment filtrateEffect: LowFermented bamboo. It is mainly used to improve the product texture~2.8–4.2%
Camellia sinensis leaf extractEffect: LowCan 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~0.6–1.4%
Cucumis sativus fruit extractEffect: Low, below effective doseMight be somewhat helpful in reducing hyperpigmentation and neutralizing free radicals but its typical concentration in a product is too low for having an effect~0.4–1%
Anti-oxidation
Side benefit · Camellia sinensis leaf extract, Lactobacillus ferment + 1 more
May help

This product contains antioxidants (camellia sinensis leaf extract) that might be able to help neutralize free radicals in skin to lessen the damage it gets from the UV light (sun). There is not enough evidence to confirm their effectiveness in skin though.

Camellia sinensis leaf extractKey activeEffect: MediumCan 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~0.6–1.4%
Lactobacillus fermentEffect: LowA fermentation product created by bacteria Lactobacillus. The fermented product has anti-bacterial properties and might be helpful in calming down inflammation, but studies are lacking. Helps attract water to the upper layer of the skin. Can be used as a preservative~1.6–2.4%
Cucumis sativus fruit extractEffect: Low, below effective doseMight be somewhat helpful in reducing hyperpigmentation and neutralizing free radicals but its typical concentration in a product is too low for having an effect~0.4–1%

Can it cause trouble?

Irritancy
6 flagged ingredients — patch-test recommended
High risk
We flagged 6 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Citrus aurantium amara flower waterA citrus plant essential oil (in a less concentrated format). Used as a fragrance and can be irritatingHigh~22–33%est.
Melissa officinalis flower/leaf/stem water—High~3.7–5.6%est.
Chamomilla recutita flower extractPlant extract that can have healing and anti-inflammatory properties. It is a potential allergen and can be irritatingHigh~0.55–1.3%est.
CitralA fragrance with a lemon scent. A likely irritantHigh~0.15–0.6%est.
Cucumis sativus fruit extractMight be somewhat helpful in reducing hyperpigmentation and neutralizing free radicals but its typical concentration in a product is too low for having an effectMedium~0.4–1%est.
Leuconostoc/radish root ferment filtrateA preservative that comes from radishes fermented by a bacteria. New research suggests that the preservation properties in the ingredient come from an ammonium salt that is not present naturally in radish root but used in its cultivation. Is problematic because the exact amount of the preservative agents is difficult to determineMedium~0.3–0.7%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged

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Ingredients

Filter by role to see what each ingredient is doing.

Citrus aurantium amara flower water~22–33%
Irritant · high
Irritation risk
High

A citrus plant essential oil (in a less concentrated format). Used as a fragrance and can be irritating

More about Citrus aurantium amara flower water
Chamomilla recutita flower water~5–7.5%
Formula
Irritation risk
Low
More about Chamomilla recutita flower water
Water~4.5–6.8%
Formula
Irritation risk
Low

Plain old water

More about Water
Melissa officinalis flower/leaf/stem water~3.7–5.6%
Irritant · high
Irritation risk
High
More about Melissa officinalis flower/leaf/stem water
Lactobacillus/arundinaria gigantea ferment filtrate~2.8–4.2%
Formula
Irritation risk
Low
Works for
Moisturizing

Fermented bamboo. It is mainly used to improve the product texture

More about Lactobacillus/arundinaria gigantea ferment filtrate
Glycerin~2.1–3.2%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant

More about Glycerin
Lactobacillus ferment~1.6–2.4%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-oxidationAnti-inflammatoryReduces irritation

A fermentation product created by bacteria Lactobacillus. The fermented product has anti-bacterial properties and might be helpful in calming down inflammation, but studies are lacking. Helps attract water to the upper layer of the skin. Can be used as a preservative

More about Lactobacillus ferment
Sodium hyaluronate~1.1–1.7%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin

More about Sodium hyaluronate
Vegetable collagen
Not recognized
Camellia sinensis leaf extract~0.6–1.4%
Key active
Irritation risk
Low
Works for
AntibacterialAnti-oxidationAnti-agingAnti-blemishMoisturizingEvens skin tone

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

More about Camellia sinensis leaf extract
Chamomilla recutita flower extract~0.55–1.3%
Irritant · high
Irritation risk
High
Works for
Anti-inflammatory

Plant extract that can have healing and anti-inflammatory properties. It is a potential allergen and can be irritating

More about Chamomilla recutita flower extract
Cucumis sativus fruit extract~0.4–1%
Irritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidation

Might be somewhat helpful in reducing hyperpigmentation and neutralizing free radicals but its typical concentration in a product is too low for having an effect

More about Cucumis sativus fruit extract
Leuconostoc/radish root ferment filtrate~0.3–0.7%
Irritant · medium
Irritation risk
Medium

A preservative that comes from radishes fermented by a bacteria. New research suggests that the preservation properties in the ingredient come from an ammonium salt that is not present naturally in radish root but used in its cultivation. Is problematic because the exact amount of the preservative agents is difficult to determine

More about Leuconostoc/radish root ferment filtrate
Citral~0.15–0.6%
Irritant · high
Irritation risk
High

A fragrance with a lemon scent. A likely irritant

More about Citral
Ingredient list view

Citrus aurantium amara flower water, Chamomilla recutita flower water, Water, Melissa officinalis flower/leaf/stem water, Lactobacillus/arundinaria gigantea ferment filtrate, Glycerin, Lactobacillus ferment, Sodium hyaluronate, Unknown, Camellia sinensis leaf extract, Chamomilla recutita flower extract, Cucumis sativus fruit extract, Leuconostoc/radish root ferment filtrate, Citral

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Worth comparing, line by line.

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

Side-by-side comparison of this product against its closest alternatives
Purity VisionBIO Hydro2 sérumYOUR PRODUCTTom FordResearch Serum ConcentrateDr Dennis GrossHyaluronic Marine Hydration Booster Serum | Dr. Dennis GrossLe DomaineThe Serum
Match—43%41%41%
Price—$18.88$20.00—
Shared key ingredients—4 of 43 of 44 of 4
Key difference—Lactic AcidRetinolCentella Asiatica Leaf Extract
Irritancy High Medium Medium Low
Drying alcohol————
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Product summary

"Purity Vision - BIO Hydro2 sérum" could be helpful for: Moisturizing, but its actives are not the most effective or are not well-studied.

Ingredient callouts

  • Humectants (sodium hyaluronate 1.50% - 2.20%, lactobacillus ferment 2.00% - 2.90% and glycerin 2.70% - 4.10%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 6 studies and safety reviews.

  1. 1
    Glycerol and the skin: holistic approach to its origin and functionsncbi.nlm.nih.gov
  2. 2
    The effect of probiotics on immune regulation, acne, and photoagingncbi.nlm.nih.gov
  3. 3
    Comparison of clinical and histological effects between lactobacillus-fermented Chamaecyparis obtusa and tea tree oil for the treatment of acne: an eight-week double-blind randomized controlled split-face studyncbi.nlm.nih.gov
  4. 4
    Use of Probiotics for Dermal Applicationsresearchgate.net
  5. 5
    Hyaluronic acid: A key molecule in skin agingncbi.nlm.nih.gov
  6. 6
    Hyaluronan (Hyaluronic Acid): a natural moisturizer for skin careresearchgate.net
Purity Vision BIO Hydro2 sérum
Purity VisionBIO Hydro2 sérum
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Find on Amazon

As an Amazon Associate, WIMJ earns from qualifying purchases.