What's In My Jar
Proto-col Collagen Hand Gel
Proto-col

Proto-col Collagen Hand Gel

Efficacy75/100IrritancyMedium
See all ingredients

Works for

Moisturizing
Glycerin, Yeast extract + 2 more
Works
What the product description says
“Protect your hands with this non-sticky, germ-fighting formula, which contains 70% alcohol to leaving hands clean, protected and feeling hydrated.”
Source: Face the future

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

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~3.2–4.7%
Yeast extractKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin and might have some anti-oxidant and skin lightening properties. It can help calm down inflammation in skin~2–2.9%
Propylene glycol· HumectantEffect: LowHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating~4.9–7.4%
Aloe barbadensis leaf juiceEffect: Low, below effective doseTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin~0.3–0.75%
Anti-oxidation
Side benefit · Yeast extract
May help

This product contains antioxidants (yeast 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.

Yeast extractKey activeEffect: MediumHelps attract water to the upper layer of the skin and might have some anti-oxidant and skin lightening properties. It can help calm down inflammation in skin~2–2.9%

Can it cause trouble?

Irritancy
1 strong irritant: Alcohol
Medium risk
We flagged 4 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
AlcoholCan be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial propertiesHigh~24–36%est.
Propylene glycolHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritatingHigh~4.9–7.4%est.
TriethanolamineUsed to adjust pH of the product and can help improve the product's smellMedium~0.35–0.8%est.
Aloe barbadensis leaf juiceTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skinMedium~0.3–0.75%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged

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Ingredients

Filter by role to see what each ingredient is doing.

Alcohol~24–36%
Irritant · high
Irritation risk
High
Works for
Antibacterial

Can be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial properties

More about Alcohol
Water~13–20%
Formula
Irritation risk
Low

Plain old water

More about Water
Propylene glycol~4.9–7.4%
Irritant · high
Irritation risk
High
Works for
Moisturizing

Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating

More about Propylene glycol
Glycerin~3.2–4.7%
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
Yeast extract~2–2.9%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-inflammatoryReduces irritationAnti-oxidationEvens skin tone

Helps attract water to the upper layer of the skin and might have some anti-oxidant and skin lightening properties. It can help calm down inflammation in skin

More about Yeast extract
Carbomer~0.9–1.4%
Formula
Irritation risk
Low
Works for
Cleansing

Helps create a thicker or gel-like product texture. It is not a surfactant but can be used in gentle cleansing formulations

More about Carbomer
Triethanolamine~0.35–0.8%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Used to adjust pH of the product and can help improve the product's smell

More about Triethanolamine
Aloe barbadensis leaf juice~0.3–0.75%
Irritant · medium
Irritation risk
Medium
Works for
MoisturizingAntibacterialReduces rednessReduces irritationAnti-inflammatoryAnti-agingAnti-blemish

Traditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin

More about Aloe barbadensis leaf juice
Ingredient list view

Alcohol, Water, Propylene glycol, Glycerin, Yeast extract, Carbomer, Triethanolamine, Aloe barbadensis leaf juice

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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
Proto-colCollagen Hand GelYOUR PRODUCTBeautyLabBeautyLabreg; Hand Gel With 70% Sanitising AlcoholNOSTE BiocosmeticsHand Cleaner- Gel Hand SanitizerAG HairHands Free Clean Hand Sanitizer Gel
Match—39%37%36%
Price————
Shared key ingredients—1 of 21 of 21 of 2
Key difference———Vitamin E
Irritancy Medium Medium Medium Medium
Drying alcohol Contains drying alcohol Contains drying alcohol Contains drying alcohol Contains drying alcohol
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Sources cited in this review

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

  1. 1
    Surfactants and experimental irritant contact dermatitisncbi.nlm.nih.gov
  2. 2
    Propylene Glycolpubmed.ncbi.nlm.nih.gov
  3. 3
    Skin-sensitizing and irritant properties of propylene glycolonlinelibrary.wiley.com
  4. 4
    Glycerol and the skin: holistic approach to its origin and functionsncbi.nlm.nih.gov
  5. 5
    The natural yeast extract isolated by ethanol precipitation inhibits melanin synthesis by modulating tyrosinase activity and downregulating melanosome transferncbi.nlm.nih.gov
  6. 6
    Evaluation of dermatological effects of cosmetic formulations containing Saccharomyces cerevisiae extract and vitaminsresearchgate.net
Proto-col Collagen Hand Gel
Proto-colCollagen Hand Gel
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