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ILIA Flow-Thru Radiant Transclucent Powder SPF 20
ILIA

ILIA Flow-Thru Radiant Transclucent Powder SPF 20

SPF 20Efficacy62/100IrritancyMedium·1 UV filter
See all ingredients

Works for

Sun protection
SPF 20 · 1 UV filter · Broad spectrum
Weak protectionSPF under 30
SPF 20Broad spectrumMineral filters

This product offers broad spectrum sun protection, but it is weak. We recommend to use a broad spectrum sunscreen with at least SPF 30.

This product can be considered "reef safe" because it does not contain the UV filters (oxybenzone and octinoxate) that can be harmful to coral reefs when present in the water in high concentrations.

UV spectrum
UVB290–320 nmUVA II320–340 nmUVA I340–400 nm
Zinc Oxide
FilterCoverageWhat it doesEst. amount
Zinc Oxide Mineral UVBUVA Photo-stable A broad spectrum sunblock (protects from both UVA and UVB rays). Is suitable for most sensitive skins. In small concentrations, can be used as a colorant14%
Reef-safe
No oxybenzone or octinoxate — the two filters banned in Hawaii, Florida Keys and Aruba.
Moisturizing
Helianthus annuus seed oil
Works
What the product description says
“Featuring a blend of conditioning aloe, rosemary, and oil-balancing bamboo, it hydrates and softens skin while cutting shine and amping up luminosity.”
Source: Sephora

This product can help soften the skin and reduce its moisture loss with emollients and occlusives: helianthus annuus seed oil.

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).

Helianthus annuus seed oilKey active· Emollient, OcclusiveEffect: HighA great emollient due to its high linoleic acid content. One of the most effective plant oils in helping skin hydration and repairing skin barrier function~2.6–3.9%

Can it cause trouble?

Irritancy
2 strong irritants: Thymus vulgaris leaf, Hibiscus sabdariffa flower extract
Medium risk
We flagged 4 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Thymus vulgaris leaf—High~0.55–1.35%est.
Hibiscus sabdariffa flower extractA plant extract that can be irritating. It might contain a compound anthocyanin that could be helpful in neutralizing free radicalsHigh~0.15–0.6%est.
Zea mays starchUsed to thicken the product's consistencyMedium~8.2–12.3%est.
Leuconostoc/radish root ferment filtrateA preservative that comes from radishes fermented by a bacteria. New research suggests that the preservation properties in the ingredient come from an ammonium salt that is not present naturally in radish root but used in its cultivation. Is problematic because the exact amount of the preservative agents is difficult to determineMedium~0.05–0.3%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
Zea mays starchUsed to thicken the product's consistency3/5~8.2–12.3%est.

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Ingredients

Filter by role to see what each ingredient is doing.

Zinc oxide14%
UV filterKey active
Irritation risk
Low
Works for
Sun protection

A broad spectrum sunblock (protects from both UVA and UVB rays). Is suitable for most sensitive skins. In small concentrations, can be used as a colorant

More about Zinc oxide
Mica~23–34%
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
Zea mays starch~8.2–12.3%
Comedogenic 3/5Irritant · medium
Irritation risk
Medium
Comedogenicity
3/5
Works for
Mattifying

Used to thicken the product's consistency

More about Zea mays starch
Zinc stearate~4.3–6.4%
Formula
Irritation risk
Low
More about Zinc stearate
Kaolin~3.1–4.7%
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
Helianthus annuus seed oil~2.6–3.9%
Key active
Irritation risk
Low
Works for
Moisturizing

A great emollient due to its high linoleic acid content. One of the most effective plant oils in helping skin hydration and repairing skin barrier function

More about Helianthus annuus seed oil
Rosmarinus officinalis leaf~1.5–2.2%
Formula
Irritation risk
Low
More about Rosmarinus officinalis leaf
Thymus vulgaris leaf~0.55–1.35%
Irritant · high
Irritation risk
High
More about Thymus vulgaris leaf
Aloe barbadensis leaf~0.45–1.05%
Formula
Irritation risk
Low
More about Aloe barbadensis leaf
Hibiscus sabdariffa flower extract~0.15–0.6%
Irritant · high
Irritation risk
High
Works for
Anti-oxidation

A plant extract that can be irritating. It might contain a compound anthocyanin that could be helpful in neutralizing free radicals

More about Hibiscus sabdariffa flower extract
Leuconostoc/radish root ferment filtrate~0.05–0.3%
Irritant · medium
Irritation risk
Medium

A preservative that comes from radishes fermented by a bacteria. New research suggests that the preservation properties in the ingredient come from an ammonium salt that is not present naturally in radish root but used in its cultivation. Is problematic because the exact amount of the preservative agents is difficult to determine

More about Leuconostoc/radish root ferment filtrate
Ingredient list view

Zinc oxide, Mica, Zea mays starch, Zinc stearate, Kaolin, Helianthus annuus seed oil, Rosmarinus officinalis leaf, Thymus vulgaris leaf, Aloe barbadensis leaf, Hibiscus sabdariffa flower extract, Leuconostoc/radish root ferment filtrate

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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
ILIAFlow-Thru Radiant Transclucent Powder SPF 20YOUR PRODUCTMAXCLINICCatrin Natural 100 Sunkill RX SPF46 PA+++SuntegrityPressed Mineral Powder Compact - Translucent, Broad Spectrum SPF 50Derma ESun Protection Mineral Face Powder SPF 30
Match—36%36%36%
Price—$12.64—$39.02
Shared key ingredients—1 of 31 of 31 of 3
Key difference—Titanium Dioxide—Camellia Sinensis Leaf Extract
Irritancy Medium Low Low Low
SPFSPF 20SPF 46SPF 50SPF 30
Drying alcohol————
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Product summary

"ILIA - Flow-Thru Radiant Transclucent Powder SPF 20" "is a broad spectrum sunscreen meaning that it protects both from UVB rays (" burning "- they cause sunburn) and UVA rays (" aging "- they don't cause sunburn but lead to premature aging and pigmentation issues). However, it does not offer enough sun protection. We recommend to use a sunscreen with at least SPF 30 daily.

This product should also be hydrating enough to use without an additional moisturizer during the day.

Sunscreen filters

This product is a mineral sunscreen. It uses zinc oxide for sun protection. Zinc oxide almost never irritates the skin or stings eyes, but it can leave a white cast.

Irritation risk

This sunscreen contains some common irritants, including those without a benefit for the skin. We assess the overall irritancy of it to be medium. For a detailed overview of all potential irritants: click here

You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.

About the brand

According to Cruelty-Free Kitty" ILIA "is cruelty free and so is its parent company.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 12 studies and safety reviews.

  1. 1
    A review of inorganic UV filters zinc oxide and titanium dioxideonlinelibrary.wiley.com
  2. 2
    Risk assessment of zinc oxide, a cosmetic ingredient used as a UV filter of sunscreensncbi.nlm.nih.gov
  3. 3
    Characterization of the UVA protection provided by avobenzone, zinc oxide, and titanium dioxide in broad-spectrum sunscreen productsncbi.nlm.nih.gov
  4. 4
    Ultraviolet Protection Properties of Commercial Sunscreens and Sunscreens Containing Zno Nanorodsiopscience.iop.org
  5. 5
    ZnO nanoparticles and organic chemical UV-filters are equally well tolerated by human immune cellsncbi.nlm.nih.gov
  6. 6
    Effect of Olive and Sunflower Seed Oil on the Adult Skin Barrier: Implications for Neonatal Skin Careonlinelibrary.wiley.com
ILIA Flow-Thru Radiant Transclucent Powder SPF 20
ILIAFlow-Thru Radiant Transclucent Powder SPF 20
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Find on Amazon

As an Amazon Associate, WIMJ earns from qualifying purchases.