KIKO Milano Sublime Youth Night

Sublime Youth Night

Efficacy 87/100·High irritancy

Efficacy measures how well the formula delivers the claims the brand advertises · 2 of 2 advertised claims delivered

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Product claims breakdown

Anti-aging
RETINOL at ~0.1–0.15% + 3 more curated actives
Strong evidence

This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains retinol.

Keep in mind that it typically takes at least 6 weeks to notice any results because the changes that are needed to improve fine lines and elasticity happen in the deeper layers of the skin. No topical anti-aging product can “erase” wrinkles or fully reverse signs of aging.

RETINOLRole: HeroTwo steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating~0.1–0.15%
NIACINAMIDERole: Under-dosedIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~0.95–1.15%
RETINYL PALMITATERole: Under-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~0.2–0.35%
TOCOPHEROLRole: Under-dosedPure 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~0.2–0.4%
Moisturizing
8 ingredients contribute at the levels below
Good evidence

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: galactoarabinan, glycerin.

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: caprylic/capric triglyceride, dimethicone.

NIACINAMIDERole: Under-dosedIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~0.95–1.15%
DIMETHICONERole: Key activeA 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~5.8–7.1%
GALACTOARABINANRole: Key activeHelps attract water to the upper layer of the skin~1.5–1.8%
GLYCERINRole: Key activeOne of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant~0.7–1.05%
ALLANTOINRole: Under-dosedHelps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated~0.25–0.45%
TOCOPHEROLRole: Under-dosedPure 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~0.2–0.4%
ARGANIA SPINOSA KERNEL OILRole: Under-dosedAn emollient that helps soften the upper layer of the skin. Might have some weak anti-oxidant properties~0.25–0.45%
CAPRYLIC/CAPRIC TRIGLYCERIDERole: Key activeA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin~2.5–3.1%
Anti-oxidation
RETINOL at ~0.1–0.15% delivers this without it being on the label
Quiet bonus

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

RETINOLRole: HeroTwo steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating~0.1–0.15%
TOCOPHEROLRole: Under-dosedPure 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~0.2–0.4%
ARGANIA SPINOSA KERNEL OILRole: Under-dosedAn emollient that helps soften the upper layer of the skin. Might have some weak anti-oxidant properties~0.25–0.45%
Evens skin tone
RETINOL at ~0.1–0.15% delivers this without it being on the label
Quiet bonus

This product can help reduce hypepigmentation and even out the skin tone because it contains the following effective ingredients: retinol.

Keep in mind that you would need to apply any topical skincare targetted at hypigmentation consistently for a couple of months to get a result. No topical skincare product can help get rid of hyperpigmentation (including post-acne marks and age spots) instantly.

RETINOLRole: HeroTwo steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating~0.1–0.15%
NIACINAMIDERole: Under-dosedIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~0.95–1.15%
RETINYL PALMITATERole: Under-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~0.2–0.35%
Irritancy
20 flagged ingredients — 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
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.3–0.55%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~0.2–0.35%est.
Alpha-isomethyl iononeA fragrance. Potential allergen and can be irritatingHigh~0.2–0.35%est.
LinaloolA fragrance. Can be irritatingHigh~0.2–0.35%est.
CitronellolA fragrance. Can be irritatingHigh~0.15–0.3%est.
LimoneneA common frangrance that can easily irritate skin, especially if exposed to air, light or heatHigh~0.15–0.3%est.
GeraniolA fragrance. Can be irritatingHigh~0.15–0.25%est.
Glyceryl oleateHelps oil and water mix together. Can be irritatingHigh~0.2–0.4%est.
RetinolTwo steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritatingHigh~0.1–0.15%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 glycerinLow~2.5–3.1%est.
GalactoarabinanHelps attract water to the upper layer of the skinLow~1.5–1.8%est.
EthylhexylglycerinA preservativeLow~0.45–0.65%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.Low~0.25–0.45%est.
Citric acidCan work as an exfoliant but is typically used to adjust the product pHLow~0.2–0.4%est.
Argania spinosa kernel oilAn emollient that helps soften the upper layer of the skin. Might have some weak anti-oxidant propertiesLow~0.25–0.45%est.
Disodium edtaStabilizes the product formulationLow~0.2–0.4%est.
Hydroxypropyl cyclodextrinUsed to stabilize product formulations and help soften the upper layer of the skinLow~0.25–0.45%est.
Ascorbyl palmitateBeing a lipid soluble form of vitamin C, it is more stable and can penetrate the skin better than L-Ascorbic acid. It is effective in protecting the skin from free radicals, as well as evening the skin tone, but is less effective in stimulating collagen production compared to L-Ascorbic acid.Low~0.2–0.35%est.
Portulaca oleracea extractA plant extract that has some anti-oxidant activity, but solid research is lacking. Can help attract water to the upper layer of the skinLow~0.15–0.3%est.
Nicotiana sylvestris leaf cell cultureHas been claimed to have an ability to protect collagen and stimulate its production in skin but further research is lacking so farLow~0.15–0.3%est.
Comedogenic
Gossypium herbaceum seed oil ~0.3–0.6% — rinse-off or low %
Some risk
These ingredients have a comedogenic rating ≥ 2. In leave-on products at higher concentrations they can clog pores for acne-prone skin types.
IngredientFunctionRatingEst. amount
Gossypium herbaceum seed oilCottonseed oil. It is used as an emollient and occlusive in products. It is rich palmitic, oleic acid, and linoleic fatty acids.High~0.3–0.6%est.
Cetearyl alcoholA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product textureMed~2–2.5%est.
~ marks concentrations estimated from label position and typical use levels

Ingredients

Filter by role to see what each ingredient is doing.

Water~45–55%
Formula
Dimethicone~5.8–7.1%
Key active
Isononyl isononanoate~4.3–5.3%
Formula
Propanediol~3.1–3.8%
Formula
Caprylic/capric triglyceride~2.5–3.1%
Key activeLow-irritation
Cetearyl alcohol~2–2.5%
Key activeComedo · medium
Glyceryl stearate~1.7–2.1%
Formula
Galactoarabinan~1.5–1.8%
Key activeLow-irritation
Glyceryl stearate citrate~1.2–1.5%
Formula
Niacinamide~0.95–1.15%
Under-dosed
Glycerin~0.7–1.05%
Key active
Phenoxyethanol~0.55–0.85%
Formula
Sorbitol~0.5–0.75%
Formula
Carbomer~0.45–0.7%
Formula
Sodium benzoate~0.25–0.5%
Formula
Ethylhexylglycerin~0.45–0.65%
Low-irritation
Elaeis guineensis oil~0.45–0.7%
Key active
Gossypium herbaceum seed oil~0.3–0.6%
Comedo · high
Parfum~0.3–0.55%
Irritant · high
Allantoin~0.25–0.45%
Under-dosed
Bidens pilosa extract~0.25–0.45%
Formula
Sodium hydroxide~0.25–0.45%
Formula
Tocopheryl acetate~0.25–0.45%
Low-irritation
Linum usitatissimum seed oil~0.2–0.35%
Formula
Retinyl palmitate~0.2–0.35%
Under-dosedIrritant · high
Xanthan gum~0.25–0.45%
Formula
Citric acid~0.2–0.4%
Low-irritation
Argania spinosa kernel oil~0.25–0.45%
Under-dosedLow-irritation
Disodium edta~0.2–0.4%
Low-irritation
Pentadecalactone~0.2–0.4%
Formula
Polysorbate 20~0.25–0.45%
Formula
Alpha-isomethyl ionone~0.2–0.35%
Irritant · high
Hydroxypropyl cyclodextrin~0.25–0.45%
Low-irritation
Linalool~0.2–0.35%
Irritant · high
Tocopherol~0.2–0.4%
Under-dosed
Lecithin~0.25–0.45%
Formula
Ascorbyl palmitate~0.2–0.35%
Low-irritation
Citronellol~0.15–0.3%
Irritant · high
Limonene~0.15–0.3%
Irritant · high
Geraniol~0.15–0.25%
Irritant · high
Diacetyl boldine~0.15–0.3%
Formula
Glyceryl oleate~0.2–0.4%
Irritant · high
Portulaca oleracea extract~0.15–0.3%
Low-irritation
Nicotiana sylvestris leaf cell culture~0.15–0.3%
Key activeLow-irritation
Retinol~0.1–0.15%
Key activeIrritant · high

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