La Roche-Posay Lock and Last Setting Spray
Works for
MoisturizingAllantoin ~0.1–0.45%Under-dosed
“This skin-hydrating long-wear formula locks in makeup for up to 24HR.”
Does not contain good ingredients to help with moisturization.
Can it cause trouble?
Irritancy3 strong irritants: Alcohol denat., Hamamelis virginiana water + 1 more — patch-test recommendedHigh risk
ComedogenicClean of flagged comedogenic ingredientsNone flagged
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Ingredients
Filter by role to see what each ingredient is doing.
Water~40–60%
Alcohol denat.~7.8–11.7%
- Irritation risk
- High
Produces temporary toning effect. Can help dissolve other ingredients or preserve products
More about Alcohol denat.Hamamelis virginiana water~3.7–5.6%
- Irritation risk
- High
A plant extract that can help calm down inflammation in skin. Can, however, itself be irritating
More about Hamamelis virginiana waterPropylene glycol~2.7–4.1%
- Irritation risk
- High
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
More about Propylene glycolPvp~2–3.1%
- Irritation risk
- Medium
Helps evenly disperse other ingredients in a formulation and create an even layer on the surface of the skin
More about PvpAmp-acrylates/allyl methacrylate copolymer~1.5–2.2%
- Irritation risk
- Low
Talc~1.4–2.2%
Phenoxyethanol~0.5–1%
- Irritation risk
- Low
A preservative. It helps prevent bacterial growth in cosmetic products
More about PhenoxyethanolDisodium edta~0.5–1%
Chlorphenesin~0.16–0.32%
Allantoin~0.1–0.45%
- Irritation risk
- Low
Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated
More about AllantoinTriethanolamine~0.1–0.5%
- Irritation risk
- Medium
Used to adjust pH of the product and can help improve the product's smell
More about TriethanolaminePentylene glycol~0.15–0.5%
- Irritation risk
- Medium
Used to preserve products, dissolve other ingredients and create a nice product texture
More about Pentylene glycolSalix alba leaf extract~0.05–0.2%
- Irritation risk
- Low
Rosa damascena extract~0.05–0.15%
- Irritation risk
- High
Oil of a very fragrant pink rose used as fragrance in cosmetics. Extensive research has shown it has mixed benefits. In the pro column, inhaling this flower’s scent seems to have relaxing properties and the plant’s petals contain skin-soothing and antioxidant compounds that can benefit skin. On the flipside, the numerous chemicals that create this rose’s distinctive fragrance pose a risk of causing skin aggravation.
More about Rosa damascena extractIngredient list view
Water, Alcohol denat., Hamamelis virginiana water, Propylene glycol, Pvp, Amp-acrylates/allyl methacrylate copolymer, Talc, Phenoxyethanol, Disodium edta, Chlorphenesin, Allantoin, Triethanolamine, Pentylene glycol, Salix alba leaf extract, Rosa damascena extract
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Sources cited in this review
Every concentration estimate and effectiveness label is anchored to one of these 4 studies and safety reviews.
- 1Surfactants and experimental irritant contact dermatitisncbi.nlm.nih.gov
- 2Propylene Glycolpubmed.ncbi.nlm.nih.gov
- 3Skin-sensitizing and irritant properties of propylene glycolonlinelibrary.wiley.com
- 4
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