Rodial Pink Diamond Oil

Rodial Pink Diamond Oil

Efficacy75/100IrritancyHigh

Works for

Anti-aging
Ascorbyl tetraisopalmitate
May help
What the product description says
“Blended with an innovative 2% Lifting Complex made from a cocktail of actives, the oil diminishes the look of fine lines for a finish that appears clearer for a more youthful illusion.”
Source: Mankind

This product contains ascorbyl tetraisopalmitate. There is some human evidence that this ingredient helps reduce and prevent fine lines and wrinkles and improve skin elasticity and firmness, though it is smaller or less consistent than the evidence for the best anti-aging ingredients.

Ascorbyl tetraisopalmitateKey activeEffect: MediumA vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)~3.8–5.6%
Evens skin tone
Ascorbyl tetraisopalmitate, Glycyrrhiza glabra root extract
May help
What the product description says
“With Skin Tightener ST, the skin appears smoother and tighter, while Stay-C 50 helps reduce the look of pigmentation and promote a more even skin tone.”
Source: SpaceNK US

The following ingredient (ingredients) in this product might be helpful, but there is no evidence to confirm that it actually works: ascorbyl tetraisopalmitate, glycyrrhiza glabra root extract.

Ascorbyl tetraisopalmitateKey activeEffect: MediumA vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)~3.8–5.6%
Glycyrrhiza glabra root extractEffect: LowA plant extract that can help lighten the skin and calm down inflammation. Might be helpful in neutralizing free radicals~0.5–1.15%
Anti-oxidation
Side benefit · Ascorbyl tetraisopalmitate, Tocopheryl acetate + 2 more
Works well

This product contains antioxidants (ascorbyl tetraisopalmitate) that can help neutralize free radicals in skin. By doing so, they can lessen the damage the skin gets from the UV light (sun).

Ascorbyl tetraisopalmitateKey activeEffect: HighA vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)~3.8–5.6%
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.~1.1–1.7%
Glycyrrhiza glabra root extractEffect: LowA plant extract that can help lighten the skin and calm down inflammation. Might be helpful in neutralizing free radicals~0.5–1.15%
Althaea officinalis root extractEffect: LowA plant extract that can help attract water to the upper layer of the skin and might help to reduce inflammation~0.3–0.75%
Moisturizing
Side benefit the brand mentions · Cyclopentasiloxane, Dimethiconol + 8 more
Works
What the product description says
“Key Benefits diamond powder helps to reflect ambient light across skin for a boost of radiance marshmallow root, known to brighten the skin Vitamins C and E are known to support skins natural elasticity for supple skin Rice bran oil known to condition the skin for a hydrated complexion”
Source: Bluemercury

This product can help soften the skin and reduce its moisture loss with emollients and occlusives: caprylic/capric triglyceride, dimethiconol.

Keep in mind that this product does not contain effective ingredients to attract water to the upper layer of the skin. This is why an additional product with humectants like glycerin or hyaluronic acid can be helpful (apply it before this product for the best results).

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~23–35%
DimethiconolKey active· Emollient, OcclusiveEffect: HighA silicone that makes products more spreadable and keeps skin smooth. Helps to add gloss to skin and may visually fill in fine lines/wrinkles for short time~4.5–6.7%
Caprylic/capric triglycerideKey active· Emollient, OcclusiveEffect: HighA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin~3–4.5%
Oryza sativa bran oilKey active· EmollientEffect: HighHelps soften the upper layer of the skin and might have some anti-oxidant properties~2.2–3.3%
Prunus amygdalus dulcis seedKey activeEffect: HighHelps soften the upper layer of the skin~1.6–2.4%
Brassica campestris seed oilKey activeEffect: MediumHelps soften the upper layer of the skin~1.1–1.6%
Althaea officinalis root extractKey activeEffect: HighA plant extract that can help attract water to the upper layer of the skin and might help to reduce inflammation~0.3–0.75%
PolymethylsilsesquioxaneKey activeEffect: HighA silicone that improves product texture and helps dissolve other ingredients. Can form a non-greasy film on the skin to prevent moisture loss~0.1–0.4%
C15-19 alkaneEffect: LowHelps soften the upper layer of the skin and create a nice product texture~6.6–9.8%
Ascorbyl tetraisopalmitate· EmollientEffect: LowA vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)~3.8–5.6%

Can it cause trouble?

Irritancy
5 strong irritants: Parfum, Citronellol + 3 more — patch-test recommended
High risk
We flagged 12 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.85–1.3%est.
Spilanthes acmella flower extractPlant extract that might hep calm down inflammation in skinHigh~0.4–0.95%est.
CitronellolA fragrance. Can be irritatingHigh~0.3–0.75%est.
Althaea officinalis root extractA plant extract that can help attract water to the upper layer of the skin and might help to reduce inflammationHigh~0.3–0.75%est.
Alpha-isomethyl iononeA fragrance. Potential allergen and can be irritatingHigh~0.15–0.55%est.
LimoneneA common frangrance that can easily irritate skin, especially if exposed to air, light or heatHigh~0.1–0.4%est.
GeraniolA fragrance. Can be irritatingHigh~0.1–0.3%est.
Ascorbyl tetraisopalmitateA vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)Medium~3.8–5.6%est.
Caprylic/capric triglycerideA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerinMedium~3–4.5%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~1.1–1.7%est.
Glycyrrhiza glabra root extractA plant extract that can help lighten the skin and calm down inflammation. Might be helpful in neutralizing free radicalsMedium~0.5–1.15%est.
Polyglyceryl-3 diisostearateHelps oil and water mix togetherMedium~0.5–1.1%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
Polyglyceryl-3 diisostearateHelps oil and water mix together3/5~0.5–1.1%est.

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Ingredients

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Cyclopentasiloxane~23–35%
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
C15-19 alkane~6.6–9.8%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin and create a nice product texture

More about C15-19 alkane
Dimethiconol~4.5–6.7%
Key active
Irritation risk
Low
Works for
Moisturizing

A silicone that makes products more spreadable and keeps skin smooth. Helps to add gloss to skin and may visually fill in fine lines/wrinkles for short time

More about Dimethiconol
Ascorbyl tetraisopalmitate~3.8–5.6%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidationAnti-agingEvens skin toneMoisturizing

A vitamin C derivative. Studies show that is might be effective in reducing hyperpigmentation, but there are no studies confirming that it is effectively converted into the bioavailable form of Vitamin C in skin. It is not clear how this derivative compares in effectiveness to the topical application of bioavailable form of vitamin C (L-ascorbic acid)

More about Ascorbyl tetraisopalmitate
Caprylic/capric triglyceride~3–4.5%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

A good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin

More about Caprylic/capric triglyceride
Oryza sativa bran oil~2.2–3.3%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin and might have some anti-oxidant properties

More about Oryza sativa bran oil
Prunus amygdalus dulcis seed~1.6–2.4%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin

More about Prunus amygdalus dulcis seed
Tocopheryl acetate~1.1–1.7%
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
Brassica campestris seed oil~1.1–1.6%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin

More about Brassica campestris seed oil
Parfum~0.85–1.3%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Glycyrrhiza glabra root extract~0.5–1.15%
Irritant · medium
Irritation risk
Medium
Works for
Reduces rednessAnti-inflammatoryAnti-oxidationEvens skin toneAntibacterial

A plant extract that can help lighten the skin and calm down inflammation. Might be helpful in neutralizing free radicals

More about Glycyrrhiza glabra root extract
Polyglyceryl-3 diisostearate~0.5–1.1%
Comedogenic 3/5Irritant · medium
Irritation risk
Medium
Comedogenicity
3/5
Works for
Cleansing

Helps oil and water mix together

More about Polyglyceryl-3 diisostearate
Spilanthes acmella flower extract~0.4–0.95%
Irritant · high
Irritation risk
High
Works for
Anti-inflammatory

Plant extract that might hep calm down inflammation in skin

More about Spilanthes acmella flower extract
Citronellol~0.3–0.75%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Citronellol
Althaea officinalis root extract~0.3–0.75%
Key activeIrritant · high
Irritation risk
High
Works for
MoisturizingAnti-oxidation

A plant extract that can help attract water to the upper layer of the skin and might help to reduce inflammation

More about Althaea officinalis root extract
Oryza sativa bran extract~0.2–0.7%
Formula
Irritation risk
Low

Used to thicken the product consistency

More about Oryza sativa bran extract
Alpha-isomethyl ionone~0.15–0.55%
Irritant · high
Irritation risk
High

A fragrance. Potential allergen and can be irritating

More about Alpha-isomethyl ionone
Limonene~0.1–0.4%
Irritant · high
Irritation risk
High

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

More about Limonene
Geraniol~0.1–0.3%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Geraniol
Polymethylsilsesquioxane~0.1–0.4%
Key active
Irritation risk
Low
Works for
Moisturizing

A silicone that improves product texture and helps dissolve other ingredients. Can form a non-greasy film on the skin to prevent moisture loss

More about Polymethylsilsesquioxane
Diamond powder~0.1–0.5%
Formula
Irritation risk
Low

Does not have known skin benefits. Might help create an optical illusion of smoother skin

More about Diamond powder
Ingredient list view

Cyclopentasiloxane, C15-19 alkane, Dimethiconol, Ascorbyl tetraisopalmitate, Caprylic/capric triglyceride, Oryza sativa bran oil, Prunus amygdalus dulcis seed, Tocopheryl acetate, Brassica campestris seed oil, Parfum, Glycyrrhiza glabra root extract, Polyglyceryl-3 diisostearate, Spilanthes acmella flower extract, Citronellol, Althaea officinalis root extract, Oryza sativa bran extract, Alpha-isomethyl ionone, Limonene, Geraniol, Polymethylsilsesquioxane, Diamond powder

Compare prices

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SpaceNK US
$47.50
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Amazon US110 Kilograms
Price unavailable Out of stock
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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
RodialPink Diamond OilYOUR PRODUCTJoanna VargasRescue SerumZelensPower C Treatment DropsQirinessBooster Temps Sublime Global Well-Aging Concentrate
Match—55%50%50%
Price$47.50$146.60+$99.10$33.07−$14.43$55.12+$7.62
Shared key ingredients—2 of 92 of 92 of 9
Key difference—SqualaneLinoleic AcidCamellia Oleifera Seed Oil
Irritancy High Medium High High
Drying alcohol————
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As an Amazon Associate, WIMJ earns from qualifying purchases.