Tanologist Day Glow

Tanologist Day Glow

Efficacy100/100IrritancyHigh

Works for

Moisturizing
Panthenol, Glycerin + 11 more
Works well
What the product description says
“This gradual self-tanning super serum preps, evens, and hydrates the skin whilst leaving a natural, buildable tan.”
Source: Beauty Bay

This product can help improve hydration of the skin with the two types of ingredients.

The first type is called “humectants”:
these ingredients help attract water. 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. The following ingredients in this product do the job: glycerin, glyceryl acrylate/acrylic acid copolymer.

This product also contains ingredients called “occlusives”. They help reduce the speed with which our skin loses moisture to the outside environment. These ingredients also help soften the upper layer of the skin, so it feels less tight and nicer to the touch. The following ingredients in this product do the job: dimethicone, phenyl trimethicone.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: panthenol

PanthenolHero· HumectantEffect: HighHelps attract water to the upper layer of the skin and can help improve skin barrier function~1.5–1.9%
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~5–6.1%
Phenyl trimethiconeKey active· OcclusiveEffect: HighA type of silicone that can decrease loss of moisture from the skin surface. It helps create a nice product texture~3.1–3.8%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~2.3–2.8%
Hyaluronic acidKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation~1.8–2.2%
DimethiconeKey active· Emollient, OcclusiveEffect: HighA silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish~0.45–0.7%
Lycium barbarum fruit extractKey activeEffect: MediumA plant extract that can help neutralize free radicals in skin and attract water to its upper layer~0.45–0.7%
CyclopentasiloxaneKey active· EmollientEffect: MediumA silicone that helps improve the product texture and spreadability. Can absorb oil creating a short-term mattifying effect on the skin~0.4–0.6%
Glyceryl acrylate/acrylic acid copolymerKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin and provide a longer-lasting hydration. Can create a thicker product consistency~0.25–0.45%
Dimethicone crosspolymerKey activeEffect: MediumUsed to create a thicker product texture. Helps soften the upper layer of the skin and might be able to prevent moisture loss from its surface~0.25–0.45%
Aloe barbadensis extract· 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~0.8–1.2%
C13-14 isoparaffin· EmollientEffect: LowHelps soften the upper layer of the skin, dissolve other ingredients and create a thicker product consistency~0.25–0.5%
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~1.1–1.4%
Anti-oxidation
Side benefit · Lycium barbarum fruit extract, Tocopheryl acetate + 3 more
May help

This product contains antioxidants (lycium barbarum fruit extract) that can help neutralize free radicals in skin to lessen the damage it gets from the UV light (sun). There is some human evidence for this effect in skin, though it is smaller or less consistent than the evidence for the best antioxidants.

Lycium barbarum fruit extractKey activeEffect: MediumA plant extract that can help neutralize free radicals in skin and attract water to its upper layer~0.45–0.7%
Tocopheryl acetateEffect: LowA 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.~1.3–1.6%
Punica granatum fruit extractEffect: LowA fruit extract that is used to add a fragrance to the product. It might have some antioxidant properties~0.55–0.8%
Calendula officinalis flower oilEffect: LowA plant oil that might have an antibacterial and some antioxidant effect. Is a common allergen and irritant~0.35–0.6%
Ascorbic acidUnder-dosedThe most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging~0.2–0.4%

Can it cause trouble?

Irritancy
7 strong irritants: Citrus paradisi fruit extract, Calendula officinalis flower oil + 5 more — patch-test recommended
High risk
We flagged 27 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
DihydroxyacetoneA self-tanning agentHigh~4.1–5%est.
Citrus paradisi fruit extract—High~0.65–0.95%est.
Punica granatum fruit extractA fruit extract that is used to add a fragrance to the product. It might have some antioxidant propertiesHigh~0.55–0.8%est.
Calendula officinalis flower oilA plant oil that might have an antibacterial and some antioxidant effect. Is a common allergen and irritantHigh~0.35–0.6%est.
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.2–0.4%est.
Hexyl cinnamalA fragrance with jasmine smell. A likely irritantHigh~0.2–0.4%est.
LimoneneA common frangrance that can easily irritate skin, especially if exposed to air, light or heatHigh~0.2–0.4%est.
LinaloolA fragrance. Can be irritatingHigh~0.2–0.4%est.
GeraniolA fragrance. Can be irritatingHigh~0.2–0.35%est.
Ascorbic acidThe most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of agingHigh~0.2–0.4%est.
Ci 19140A yellow dyeHigh~0.15–0.25%est.
Ci 16035A red dyeHigh~0.05–0.1%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~1.3–1.6%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~1.1–1.4%est.
Aloe barbadensis extractTraditionally 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~0.8–1.2%est.
Lycium barbarum fruit extractA plant extract that can help neutralize free radicals in skin and attract water to its upper layerMedium~0.45–0.7%est.
Peg-40 hydrogenated castor oilHelps oil and water mix togetherMedium~0.25–0.5%est.
PolyacrylamideUsed to improve product texture and help oil and water mix togetherMedium~0.25–0.5%est.
Glyceryl acrylate/acrylic acid copolymerHelps attract water to the upper layer of the skin and provide a longer-lasting hydration. Can create a thicker product consistencyMedium~0.25–0.45%est.
Laureth-23Helps oil and water mix togetherMedium~0.3–0.6%est.
Laureth-7Helps oil and water mix togetherMedium~0.25–0.45%est.
Laureth-4Helps water and oil mix togetherMedium~0.25–0.45%est.
Sodium metabisulfiteA preservativeMedium~0.1–0.2%est.
Potassium sorbateA preservativeMedium~0.25–0.45%est.
Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.2–0.4%est.
Ci 17200A red colorantMedium~0.1–0.2%est.
Ci 42090A colorant (dye)Medium~0.05–0.15%est.
Comedogenic
3 ingredients rated 2 or more on the 0–5 pore-clogging scale
3 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
Ci 16035A red dye3/5~0.05–0.1%est.
Laureth-23Helps oil and water mix together2/5~0.3–0.6%est.
Laureth-4Helps water and oil mix together2/5~0.25–0.45%est.

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Ingredients

Filter by role to see what each ingredient is doing.

Water~45–55%
Formula
Irritation risk
Low

Plain old water

More about Water
Glycerin~5–6.1%
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~4.1–5%
Irritant · high
Irritation risk
High
Works for
Tanning

A self-tanning agent

More about Dihydroxyacetone
Phenyl trimethicone~3.1–3.8%
Key active
Irritation risk
Low
Works for
Moisturizing

A type of silicone that can decrease loss of moisture from the skin surface. It helps create a nice product texture

More about Phenyl trimethicone
Sodium hyaluronate~2.3–2.8%
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
Hyaluronic acid~1.8–2.2%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-inflammatoryAnti-aging

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation

More about Hyaluronic acid
Panthenol~1.5–1.9%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingReduces rednessReduces irritation

Helps attract water to the upper layer of the skin and can help improve skin barrier function

More about Panthenol
Tocopheryl acetate~1.3–1.6%
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
Aloe barbadensis leaf juice~1.1–1.4%
Irritant · medium
Irritation risk
Medium
Works for
MoisturizingAntibacterialAnti-inflammatoryReduces rednessReduces irritationAnti-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
Aloe barbadensis extract~0.8–1.2%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

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 extract
Citrus paradisi fruit extract~0.65–0.95%
Irritant · high
Punica granatum fruit extract~0.55–0.8%
Irritant · high
Irritation risk
High
Works for
Anti-oxidation

A fruit extract that is used to add a fragrance to the product. It might have some antioxidant properties

More about Punica granatum fruit extract
Lycium barbarum fruit extract~0.45–0.7%
Key activeIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidationAnti-agingAnti-inflammatory

A plant extract that can help neutralize free radicals in skin and attract water to its upper layer

More about Lycium barbarum fruit extract
Juniperus communis fruit oil~0.4–0.65%
Formula
Calendula officinalis flower oil~0.35–0.6%
Irritant · high
Irritation risk
High
Works for
Anti-inflammatoryAnti-oxidation

A plant oil that might have an antibacterial and some antioxidant effect. Is a common allergen and irritant

More about Calendula officinalis flower oil
Dimethicone/vinyl dimethicone crosspolymer~0.4–0.6%
Formula
Irritation risk
Low

Used to stabilize product formulations and create a nice product texture

More about Dimethicone/vinyl dimethicone crosspolymer
Dimethicone~0.45–0.7%
Key active
Irritation risk
Low
Works for
MoisturizingMattifying

A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish

More about Dimethicone
Cyclopentasiloxane~0.4–0.6%
Key active
Irritation risk
Low
Works for
MoisturizingMattifying

A silicone that helps improve the product texture and spreadability. Can absorb oil creating a short-term mattifying effect on the skin

More about Cyclopentasiloxane
Erythrulose~0.3–0.55%
Formula
Irritation risk
Low
More about Erythrulose
Sclerotium gum~0.25–0.5%
Formula
Irritation risk
Low

Used to create gel-like formulas and stabilize emulsions

More about Sclerotium gum
Kaolin~0.4–0.6%
Formula
Irritation risk
Low
Works for
MattifyingAnti-blemish

A type of clay that consists mainly of aluminum silicate. Helps absorb oil and creates a thicker product consistency. Can be used to add a white color

More about Kaolin
Peg-40 hydrogenated castor oil~0.25–0.5%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Peg-40 hydrogenated castor oil
Xanthan gum~0.25–0.45%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Polyacrylamide~0.25–0.5%
Irritant · medium
Irritation risk
Medium

Used to improve product texture and help oil and water mix together

More about Polyacrylamide
Dimethicone crosspolymer~0.25–0.45%
Key active
Irritation risk
Low
Works for
Moisturizing

Used to create a thicker product texture. Helps soften the upper layer of the skin and might be able to prevent moisture loss from its surface

More about Dimethicone crosspolymer
Glyceryl acrylate/acrylic acid copolymer~0.25–0.45%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps attract water to the upper layer of the skin and provide a longer-lasting hydration. Can create a thicker product consistency

More about Glyceryl acrylate/acrylic acid copolymer
C13-14 isoparaffin~0.25–0.5%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin, dissolve other ingredients and create a thicker product consistency

More about C13-14 isoparaffin
Pvm/ma copolymer~0.25–0.45%
Formula
Laureth-23~0.3–0.6%
Comedogenic 2/5Irritant · medium
Irritation risk
Medium
Comedogenicity
2/5
Works for
Cleansing

Helps oil and water mix together

More about Laureth-23
Laureth-7~0.25–0.45%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Laureth-7
Laureth-4~0.25–0.45%
Comedogenic 2/5Irritant · medium
Irritation risk
Medium
Comedogenicity
2/5
Works for
Cleansing

Helps water and oil mix together

More about Laureth-4
Sodium metabisulfite~0.1–0.2%
Irritant · medium
Irritation risk
Medium

A preservative

More about Sodium metabisulfite
Parfum~0.2–0.4%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Hexyl cinnamal~0.2–0.4%
Irritant · high
Irritation risk
High

A fragrance with jasmine smell. A likely irritant

More about Hexyl cinnamal
Potassium sorbate~0.25–0.45%
Irritant · medium
Irritation risk
Medium

A preservative

More about Potassium sorbate
Limonene~0.2–0.4%
Irritant · high
Irritation risk
High

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

More about Limonene
Linalool~0.2–0.4%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Linalool
Geraniol~0.2–0.35%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Geraniol
Ascorbic acid~0.2–0.4%
Under-dosedIrritant · high
Irritation risk
High
Works for
Anti-oxidationEvens skin toneAnti-aging

The most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging

More about Ascorbic acid
Citric acid~0.2–0.4%
Irritant · medium
Irritation risk
Medium

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

More about Citric acid
Phenoxyethanol~0.2–0.4%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Triethylene glycol~0.15–0.3%
Formula
Synthetic fluorphlogopite~0.2–0.4%
Formula
Irritation risk
Low

A mineral that is used as an optical filter (makes the skin looks nicer through light reflection) and to improve the texture of cosmetic products

More about Synthetic fluorphlogopite
Mica~0.2–0.4%
Formula
Irritation risk
Low

Creates an illusion of smoother and more radiant skin tone. Adds shimmer to the skin by reflecting light

More about Mica
Tin oxide~0.25–0.5%
Formula
Irritation risk
Low

A colorant that can add a pearl-like appearance to the formulation

More about Tin oxide
Ci 77891~0.1–0.2%
Formula
Irritation risk
Low
More about Ci 77891
Ci 19140~0.15–0.25%
Irritant · high
Irritation risk
High

A yellow dye

More about Ci 19140
Ci 17200~0.1–0.2%
Irritant · medium
Irritation risk
Medium

A red colorant

More about Ci 17200
Ci 42090~0.05–0.15%
Irritant · medium
Irritation risk
Medium

A colorant (dye)

More about Ci 42090
Ci 16035~0.05–0.1%
Comedogenic 3/5Irritant · high
Irritation risk
High
Comedogenicity
3/5

A red dye

More about Ci 16035
Ingredient list view

Water, Glycerin, Dihydroxyacetone, Phenyl trimethicone, Sodium hyaluronate, Hyaluronic acid, Panthenol, Tocopheryl acetate, Aloe barbadensis leaf juice, Aloe barbadensis extract, Citrus paradisi fruit extract, Punica granatum fruit extract, Lycium barbarum fruit extract, Juniperus communis fruit oil, Calendula officinalis flower oil, Dimethicone/vinyl dimethicone crosspolymer, Dimethicone, Cyclopentasiloxane, Erythrulose, Sclerotium gum, Kaolin, Peg-40 hydrogenated castor oil, Xanthan gum, Polyacrylamide, Dimethicone crosspolymer, Glyceryl acrylate/acrylic acid copolymer, C13-14 isoparaffin, Pvm/ma copolymer, Laureth-23, Laureth-7, Laureth-4, Sodium metabisulfite, Parfum, Hexyl cinnamal, Potassium sorbate, Limonene, Linalool, Geraniol, Ascorbic acid, Citric acid, Phenoxyethanol, Triethylene glycol, Synthetic fluorphlogopite, Mica, Tin oxide, Ci 77891, Ci 19140, Ci 17200, Ci 42090, Ci 16035

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Amazon USPrice as of 11/14 09:08 GMT
$13.99
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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
TanologistDay GlowYOUR PRODUCTDIMEBoosting Body SerumArenciaDeep Water Surge SerumJune Jacobs SpaJune Jacobs Cellular Collagen Eye Serum
Match—58%52%52%
Price$13.99$22.00+$8.01$22.35+$8.36—
Shared key ingredients—4 of 115 of 115 of 11
Key difference—NiacinamideCopper Tripeptide-1Palmitoyl Oligopeptide
Irritancy High Low Medium Medium
Drying alcohol————
View product Shop Shop Shop

More alternatives: James Read Glow20 SerumAlurx Multi-Vitamin Rejuvenating Serum

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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 19 studies and safety reviews.

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