St. Moriz Miracle Tanning Serum

St. Moriz Miracle Tanning Serum

Efficacy37/100IrritancyHigh

Works for

Moisturizing
Glycerin, Sodium hyaluronate + 2 more
Works
What the product description says
“With added hydration to leave both your face and body silky smooth, it's a must-have miracle in a bottle.”
Source: Ulta

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

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~3.8–5.6%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.4–0.9%
Aloe barbadensis leaf juice· HumectantEffect: LowTraditionally 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~6.3–9.4%
TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.1–0.5%
Anti-aging
Retinyl palmitate ~0.2–0.75%, below the ~0.5% it needs
Under-dosed
What the product description says
“However, St. Moriz Miracle Tanning Serum is here to help you feel more confident, giving you a streak-free tan that's packed with collagen boosting ingredients, proven to reduce the effects of aging skin and reduce skin imperfections.”
Source: Ulta

Effective ingredients missing or their concentration is too low.

Aloe barbadensis leaf juiceEffect: LowTraditionally 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~6.3–9.4%
TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.1–0.5%
Retinyl palmitateUnder-dosedThree steps removed from the active form of vitamin A - retinoic acid. To have an effect in the skin, it first needs to be converted twice to become the retinoic acid. This means it is less potent than retinol, but could also be less irritating. Once converted to the retinoic acid in the skin, it helps against all signs of aging, improves skin cell turnover and helps fight blemishes and clogged pores. However, in many cosmetic formulations, it is used in a concentration that is too low to have the full effect~0.2–0.75%

Can it cause trouble?

Irritancy
4 strong irritants: Parfum, Retinyl palmitate + 2 more — patch-test recommended
High risk
We flagged 16 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
DihydroxyacetoneA self-tanning agentHigh~2.8–4.2%est.
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.95–1.45%est.
Retinyl palmitateThree steps removed from the active form of vitamin A - retinoic acid. To have an effect in the skin, it first needs to be converted twice to become the retinoic acid. This means it is less potent than retinol, but could also be less irritating. Once converted to the retinoic acid in the skin, it helps against all signs of aging, improves skin cell turnover and helps fight blemishes and clogged pores. However, in many cosmetic formulations, it is used in a concentration that is too low to have the full effectHigh~0.2–0.75%est.
Benzyl alcoholA preservative. Can be used to mask unpleasant smell. Can be irritatingHigh~0.05–0.25%est.
LimoneneA common frangrance that can easily irritate skin, especially if exposed to air, light or heatHigh~0.05–0.2%est.
Alpha-isomethyl iononeA fragrance. Potential allergen and can be irritatingHigh~0.05–0.15%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~6.3–9.4%est.
Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymerA gelling agent that thickens the product consistency and leaves the skin with a velvety finishMedium~2.1–3.2%est.
Peg-40 hydrogenated castor oilHelps oil and water mix togetherMedium~1.7–2.6%est.
Acacia senegal gumHelps mask the small of other ingredients and improve the product textureMedium~1.5–2.3%est.
EthoxydiglycolHelps to improve the product consistencyMedium~1.2–1.8%est.
Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.45–1%est.
Tocopheryl acetateA more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.Medium~0.35–0.8%est.
Sodium metabisulfiteA preservativeMedium~0.1–0.2%est.
Benzoic acidA preservativeMedium~0.1–0.35%est.
Dehydroacetic acidA preservativeMedium~0.05–0.25%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged

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Ingredients

Filter by role to see what each ingredient is doing.

Water~40–60%
Formula
Irritation risk
Low

Plain old water

More about Water
Aloe barbadensis leaf juice~6.3–9.4%
Irritant · medium
Irritation risk
Medium
Works for
MoisturizingReduces rednessReduces irritationAntibacterialAnti-inflammatoryAnti-blemishAnti-aging

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
Glycerin~3.8–5.6%
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
Dihydroxyacetone~2.8–4.2%
Irritant · high
Irritation risk
High
Works for
Tanning

A self-tanning agent

More about Dihydroxyacetone
Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer~2.1–3.2%
Irritant · medium
Irritation risk
Medium

A gelling agent that thickens the product consistency and leaves the skin with a velvety finish

More about Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer
Peg-40 hydrogenated castor oil~1.7–2.6%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Peg-40 hydrogenated castor oil
Acacia senegal gum~1.5–2.3%
Irritant · medium
Irritation risk
Medium

Helps mask the small of other ingredients and improve the product texture

More about Acacia senegal gum
Ethoxydiglycol~1.2–1.8%
Irritant · medium
Irritation risk
Medium

Helps to improve the product consistency

More about Ethoxydiglycol
Parfum~0.95–1.45%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Caramel~0.8–1.25%
Formula
Irritation risk
Low
More about Caramel
Xanthan gum~0.5–1.15%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Citric acid~0.45–1%
Irritant · medium
Irritation risk
Medium

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

More about Citric acid
Sodium hyaluronate~0.4–0.9%
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
Tocopheryl acetate~0.35–0.8%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidation

A more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.

More about Tocopheryl acetate
Retinyl palmitate~0.2–0.75%
Under-dosedIrritant · high
Irritation risk
High
Works for
Evens skin toneAnti-agingAnti-blemishExfoliation

Three steps removed from the active form of vitamin A - retinoic acid. To have an effect in the skin, it first needs to be converted twice to become the retinoic acid. This means it is less potent than retinol, but could also be less irritating. Once converted to the retinoic acid in the skin, it helps against all signs of aging, improves skin cell turnover and helps fight blemishes and clogged pores. However, in many cosmetic formulations, it is used in a concentration that is too low to have the full effect

More about Retinyl palmitate
Sodium metabisulfite~0.1–0.2%
Irritant · medium
Irritation risk
Medium

A preservative

More about Sodium metabisulfite
Crocus chrysanthus bulb extract~0.15–0.6%
Formula
Tocopherol~0.1–0.5%
Formula
Irritation risk
Low
Works for
Anti-oxidationAnti-agingMoisturizingAnti-inflammatory

Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself

More about Tocopherol
Benzyl alcohol~0.05–0.25%
Irritant · high
Irritation risk
High

A preservative. Can be used to mask unpleasant smell. Can be irritating

More about Benzyl alcohol
Benzoic acid~0.1–0.35%
Irritant · medium
Irritation risk
Medium

A preservative

More about Benzoic acid
Dehydroacetic acid~0.05–0.25%
Irritant · medium
Irritation risk
Medium

A preservative

More about Dehydroacetic acid
Limonene~0.05–0.2%
Irritant · high
Irritation risk
High

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

More about Limonene
Alpha-isomethyl ionone~0.05–0.15%
Irritant · high
Irritation risk
High

A fragrance. Potential allergen and can be irritating

More about Alpha-isomethyl ionone
Ingredient list view

Water, Aloe barbadensis leaf juice, Glycerin, Dihydroxyacetone, Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, Peg-40 hydrogenated castor oil, Acacia senegal gum, Ethoxydiglycol, Parfum, Caramel, Xanthan gum, Citric acid, Sodium hyaluronate, Tocopheryl acetate, Retinyl palmitate, Sodium metabisulfite, Crocus chrysanthus bulb extract, Tocopherol, Benzyl alcohol, Benzoic acid, Dehydroacetic acid, Limonene, Alpha-isomethyl ionone

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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
St. MorizMiracle Tanning SerumYOUR PRODUCTVersed SkinON THE RISE Firming SerumISANARetinol ConcentrateOSKIASuper 16 Collagen Serum
Match—45%44%44%
Price—$23.95$6.49$35.71
Shared key ingredients—3 of 43 of 43 of 4
Key difference—Palmitoyl Tripeptide-1PanthenolBakuchiol
Irritancy High Medium Medium Medium
Drying alcohol————
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St. Moriz Miracle Tanning Serum
St. MorizMiracle Tanning Serum

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

As an Amazon Associate, WIMJ earns from qualifying purchases.