Tata Harper Water Lock Moisturiser

Tata Harper Water Lock Moisturiser

Efficacy43/100IrritancyHigh
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Works for

1 of 4 advertised claims delivered

Moisturizing
13 ingredients credited for this claim
Good support
What the product description says
“Hydrate more and waste less with Tata Harper Water-Lock Moisturizer”
Source: SpaceNK US

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

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~3.6–5.4%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.85–1.3%
DiglycerinKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin~1.8–2.7%
Saccharide isomerateKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin~0.55–1.3%
Cetearyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture~2.3–3.5%
C10-18 triglyceridesKey active· EmollientEffect: MediumHelps soften the skin and attract water to its upper layer. Helps create nice product texture~5.3–8%
Olea europaea fruit oilKey active· EmollientEffect: MediumAn emollient that helps soften the skin but is not effective for restoring its barrier function. Might be helpful to calm down inflammation~0.45–1%
Behenyl alcohol· Emollient, OcclusiveEffect: LowNon-drying alcohol that helps water and oil mix together. Also serves as an emollient~0.4–1%
Glyceryl caprylate· EmollientEffect: LowAn emollient that can also help water and oil mix together, as well as prevent bacteria growth in products~0.45–1%
Hydrolyzed corn starch· HumectantEffect: LowHelps improve the product texture~0.35–0.8%
Octyldodecanol· EmollientEffect: LowAn emollient that helps to soften the skin and create a pleasant product texture and stabilize the formulation~5.4–8%
Arachidyl alcohol· EmollientEffect: LowUsed to soften the upper layer of the skin and create a thicker product consistency~0.4–1%
Glyceryl undecylenate· EmollientEffect: LowHelps oil and water mix together and helps preserve the product formulation~0.45–1%
Anti-aging
1 ingredient credited for this claim
Limited support
What the product description says
“worked to reduce overall waste with an innovative, sustainable refill system”
Source: SpaceNK

This product does not contain ingredients that are able to reduce fine lines and wrinkles or help with skin elasticity, but it can improve the look of the skin temporarily through moisturization. Well-moisturized skin might also be able to repair the sun damage better.

This ingredient punica granatum extract might be able to help neutralize free radicals in skin and help it fight off some of the sun damage.

LACTIC ACIDUnder-dosedEffect: Medium—
Evens skin tone
1 ingredient credited for this claim
Limited support
What the product description says
“encourage a luminous complexion”
Source: SpaceNK EU

This product contains ingredients (punica granatum extract) that could help reduce hyperpigmentation (for example, post-acne marks or age spots) in theory, but there is not enough evidence that they actually work.

Punica granatum extractEffect: LowA plant extract that can help neutralize free radicals in skin and even out the skin tone, but is typically used in products in a concentration that is too low to be effective~1.2–1.8%
Exfoliation
1 ingredient credited for this claim
Weak support
What the product description says
“an AHA gently exfoliates away dead skin cells”
Source: SpaceNK US

This product does not contain effective exfoliating ingredients. It might be able to deliver physical exfoliation, that is scrub off some of the dead cells on the surface of the skin. We do not recommend physical exfoliation, because it is not uniform (some bits of skin can get exfoliated too much while others not at all). It can also traumatize the skin and aggrevate acne and other skin conditions.

LACTIC ACIDUnder-dosedEffect: High—
Anti-oxidation
Not advertised by the brand · 4 ingredients credited for this claim
Moderate support

This product contains antioxidants (punica granatum 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.

Punica granatum extractKey activeEffect: MediumA plant extract that can help neutralize free radicals in skin and even out the skin tone, but is typically used in products in a concentration that is too low to be effective~1.2–1.8%
Sambucus nigra fruit extractEffect: LowA plant extract that may contain a small amount of essential oils. Might be helpful in neutralizing free radicals in skin~0.4–0.95%
Medicago sativa extractEffect: LowA plant extract that might help neutralize free radicals in skin~0.45–1.05%
Calendula officinalis flower extractEffect: LowA plant extract that has some anti-oxidant and anti-bacterial properties. Can be irritating~0.45–1.05%

Can it cause trouble?

Irritancy
10 strong irritants: Citrus aurantium dulcis flower extract, Arnica montana extract + 8 more — patch-test recommended
High risk
We flagged 20 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Arnica montana extract—High~0.5–1.15%est.
Calendula officinalis flower extractA plant extract that has some anti-oxidant and anti-bacterial properties. Can be irritatingHigh~0.45–1.05%est.
Sambucus nigra fruit extractA plant extract that may contain a small amount of essential oils. Might be helpful in neutralizing free radicals in skinHigh~0.4–0.95%est.
Citrus aurantium dulcis peel oilAn essentil oil from orange peel. Potential allergen and can be irritatingHigh~0.35–0.85%est.
Sodium anisateUsed as a fragranceHigh~0.35–0.8%est.
Phenethyl alcoholA fragrance. Can be irritatingHigh~0.15–0.55%est.
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~0.1–0.5%est.
LimoneneA common frangrance that can easily irritate skin, especially if exposed to air, light or heatHigh~0.1–0.45%est.
CitralA fragrance with a lemon scent. A likely irritantHigh~0.1–0.35%est.
CitronellolA fragrance. Can be irritatingHigh~0.1–0.3%est.
LinaloolA fragrance. Can be irritatingHigh~0.05–0.3%est.
Punica granatum extractA plant extract that can help neutralize free radicals in skin and even out the skin tone, but is typically used in products in a concentration that is too low to be effectiveMedium~1.2–1.8%est.
Medicago sativa extractA plant extract that might help neutralize free radicals in skinMedium~0.45–1.05%est.
Olea europaea fruit oilAn emollient that helps soften the skin but is not effective for restoring its barrier function. Might be helpful to calm down inflammationMedium~0.45–1%est.
Glyceryl undecylenateHelps oil and water mix together and helps preserve the product formulationMedium~0.45–1%est.
Cetearyl glucosideHelps water and oil in the product mix well together and improves product textureMedium~0.35–0.85%est.
Sodium levulinateA preservativeMedium~0.35–0.8%est.
Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.3–0.75%est.
Sodium citrateHelps to control the skin's pH level. Maintains the skin's natural film of amino-lactic acids and oils. Helps to preserve productsMedium~0.15–0.7%est.
Comedogenic
1 ingredient rated 2 or more on the 0–5 pore-clogging scale
1 flagged
These ingredients have a comedogenic rating of 2 or more on a 0–5 scale; the table shows each one's rating. In leave-on products they can clog pores in acne-prone skin.
IngredientFunctionRatingEst. amount
Cetearyl alcoholA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture2/5~2.3–3.5%est.
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Ingredients

Filter by role to see what each ingredient is doing.

Hordeum vulgare leaf juice~23–34%
Formula
Octyldodecanol~5.4–8%
Formula
Irritation risk
Low
Works for
Moisturizing

An emollient that helps to soften the skin and create a pleasant product texture and stabilize the formulation

More about Octyldodecanol
C10-18 triglycerides~5.3–8%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the skin and attract water to its upper layer. Helps create nice product texture

More about C10-18 triglycerides
Glycerin~3.6–5.4%
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
Water~2.9–4.3%
Formula
Irritation risk
Low

Plain old water

More about Water
Cetearyl alcohol~2.3–3.5%
Key activeComedogenic 2/5
Irritation risk
Low
Comedogenicity
2/5
Works for
CleansingMoisturizing

A non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture

More about Cetearyl alcohol
Shea butter ethyl esters
Not recognized
Diglycerin~1.8–2.7%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps attract water to the upper layer of the skin

More about Diglycerin
Sclerotium gum~1.5–2.3%
Formula
Irritation risk
Low

Used to create gel-like formulas and stabilize emulsions

More about Sclerotium gum
Punica granatum extract~1.2–1.8%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidationEvens skin tone

A plant extract that can help neutralize free radicals in skin and even out the skin tone, but is typically used in products in a concentration that is too low to be effective

More about Punica granatum extract
Citrus aurantium dulcis flower extract~1.1–1.6%
Irritant · high
Sodium hyaluronate~0.85–1.3%
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
Saccharide isomerate~0.55–1.3%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps attract water to the upper layer of the skin

More about Saccharide isomerate
Beta vulgaris extract~0.55–1.25%
Formula
Arnica montana extract~0.5–1.15%
Irritant · high
Borago officinalis leaf extract~0.45–1.1%
Formula
Calendula officinalis flower extract~0.45–1.05%
Irritant · high
Irritation risk
High
Works for
Anti-oxidation

A plant extract that has some anti-oxidant and anti-bacterial properties. Can be irritating

More about Calendula officinalis flower extract
Medicago sativa extract~0.45–1.05%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidation

A plant extract that might help neutralize free radicals in skin

More about Medicago sativa extract
Spiraea ulmaria extract~0.4–1%
Formula
Sambucus nigra fruit extract~0.4–0.95%
Irritant · high
Irritation risk
High
Works for
Anti-oxidation

A plant extract that may contain a small amount of essential oils. Might be helpful in neutralizing free radicals in skin

More about Sambucus nigra fruit extract
Olea europaea fruit oil~0.45–1%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

An emollient that helps soften the skin but is not effective for restoring its barrier function. Might be helpful to calm down inflammation

More about Olea europaea fruit oil
Magnolia officinalis bark extract~0.4–0.9%
Formula
Citrus aurantium dulcis peel oil~0.35–0.85%
Irritant · high
Irritation risk
High

An essentil oil from orange peel. Potential allergen and can be irritating

More about Citrus aurantium dulcis peel oil
Arachidyl alcohol~0.4–1%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to soften the upper layer of the skin and create a thicker product consistency

More about Arachidyl alcohol
Glyceryl caprylate~0.45–1%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

An emollient that can also help water and oil mix together, as well as prevent bacteria growth in products

More about Glyceryl caprylate
Sodium phytate~0.35–0.85%
Formula
Irritation risk
Low

Used to stabilize product formulations

More about Sodium phytate
Hydrolyzed corn starch~0.35–0.8%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps improve the product texture

More about Hydrolyzed corn starch
Glyceryl undecylenate~0.45–1%
Irritant · medium
Irritation risk
Medium
Works for
CleansingMoisturizing

Helps oil and water mix together and helps preserve the product formulation

More about Glyceryl undecylenate
Cetearyl glucoside~0.35–0.85%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps water and oil in the product mix well together and improves product texture

More about Cetearyl glucoside
Behenyl alcohol~0.4–1%
Formula
Irritation risk
Low
Works for
Moisturizing

Non-drying alcohol that helps water and oil mix together. Also serves as an emollient

More about Behenyl alcohol
Sodium levulinate~0.35–0.8%
Irritant · medium
Irritation risk
Medium

A preservative

More about Sodium levulinate
Sodium anisate~0.35–0.8%
Irritant · high
Irritation risk
High

Used as a fragrance

More about Sodium anisate
Arachidyl glucoside~0.35–0.85%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Arachidyl glucoside
Citric acid~0.3–0.75%
Irritant · medium
Irritation risk
Medium

Can work as an exfoliant but is typically used to adjust the product pH

More about Citric acid
Sodium citrate~0.15–0.7%
Irritant · medium
Irritation risk
Medium

Helps to control the skin's pH level. Maintains the skin's natural film of amino-lactic acids and oils. Helps to preserve products

More about Sodium citrate
L (+) lactic acid
Not recognized
Phenethyl alcohol~0.15–0.55%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Phenethyl alcohol
Alcohol~0.1–0.5%
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
Limonene~0.1–0.45%
Irritant · high
Irritation risk
High

A common frangrance that can easily irritate skin, especially if exposed to air, light or heat

More about Limonene
Citral~0.1–0.35%
Irritant · high
Irritation risk
High

A fragrance with a lemon scent. A likely irritant

More about Citral
Citronellol~0.1–0.3%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Citronellol
Linalool~0.05–0.3%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Linalool
Ingredient list view

Hordeum vulgare leaf juice, Octyldodecanol, C10-18 triglycerides, Glycerin, Water, Cetearyl alcohol, Unknown, Diglycerin, Sclerotium gum, Punica granatum extract, Citrus aurantium dulcis flower extract, Sodium hyaluronate, Saccharide isomerate, Beta vulgaris extract, Arnica montana extract, Borago officinalis leaf extract, Calendula officinalis flower extract, Medicago sativa extract, Spiraea ulmaria extract, Sambucus nigra fruit extract, Olea europaea fruit oil, Magnolia officinalis bark extract, Citrus aurantium dulcis peel oil, Arachidyl alcohol, Glyceryl caprylate, Sodium phytate, Hydrolyzed corn starch, Glyceryl undecylenate, Cetearyl glucoside, Behenyl alcohol, Sodium levulinate, Sodium anisate, Arachidyl glucoside, Citric acid, Sodium citrate, Unknown, Phenethyl alcohol, Alcohol, Limonene, Citral, Citronellol, Linalool

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Amazon USPrice as of 10/20/2026 15:19 GMT
$51.80
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$68.00
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$74.00
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Credo Beauty
$74.00
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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 15 studies and safety reviews.

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Tata Harper Water Lock Moisturiser
Tata HarperWater Lock Moisturiser

Affiliate links · As an Amazon Associate, WIMJ earns from qualifying purchases.

As an Amazon Associate, WIMJ earns from qualifying purchases.