boots No7 Hydraluminous Eye Hydrator

Ingredients overview

Label order. Colour is our internal rating: green routine, yellow restricted or worth a look, red prohibited or high-risk, grey not yet decoded.

Ingredients are listed in label order; the order reflects the label only, not exact concentrations.

1. Aqua
2. Propanediol
3. Glycerin
4. Carbomer
5. Betaine
6. Xanthan Gum
7. Potassium Hydroxide
8. Phenoxyethanol
9. Hydrolyzed Hyaluronic Acid
10. Hydrolyzed Sodium Hyaluronate
11. Sodium Hyaluronate
12. Sodium PCA
13. Caprylyl Glycol
14. Ethylhexylglycerin
15. Tetrasodium EDTA
16. Denatonium Benzoate
17. Benzoic Acid
18. Ci 42090

Highlights

Free of fragranceFree of parabensFree of siliconesFree of sulfatesFree of mineral oilFree of essential oilsFree of formaldehyde releasersContains alcohol

Key ingredients

SOLVENT

AquaPropanediol

DENATURANT

Glycerin

EMULSION STABILISING

Carbomer

HAIR CONDITIONING

Betaine

BINDING

Xanthan Gum

BUFFERING · 限制 III

Potassium Hydroxide

ANTIMICROBIAL

Phenoxyethanol

Other ingredients

Hydrolyzed Hyaluronic AcidHydrolyzed Sodium HyaluronateSodium HyaluronateSodium PCACaprylyl GlycolEthylhexylglycerinTetrasodium EDTADenatonium BenzoateBenzoic AcidCi 42090

Skim through

Ingredients explained

Aqua

Solvent, main base; microbial control is critical

Propanediol

Polyol solvent at 1–5%; light feel, aids solubilization, propylene glycol alternative

Glycerin

Workhorse humectant at 3–10%; tacky at high levels, pair with occlusives

Carbomer

Gelling thickener requiring neutralization; watch out for ion compatibility

Betaine

Betaine for mild moisturizing/surfactant; low concentration 1-2% common, high may irritate.

Xanthan Gum

Natural thickener at 0.1–1%; provides gel texture, pH-stable, requires full hydration

Potassium Hydroxide

Strong alkali pH adjuster, trace usage (<0.1%); corrosive, must be neutralized.

Phenoxyethanol

Broad-spectrum preservative at ≤1%; may irritate sensitive eye areas, often paired with ethylhexylglycerin

Hydrolyzed Hyaluronic Acid

Low-MW humectant with superior penetration vs high-MW; 0.1-0.5% typical, hygroscopic, store dry to prevent clumping.

Hydrolyzed Sodium Hyaluronate

Low-molecular-weight hyaluronic acid derivative with better penetration and strong hydration; different molecular weights provide hydration at various depths, typical concentration 0.1-1%.

Sodium Hyaluronate

Potent humectant at 0.1–2%; different MW for penetration depth, high levels may draw moisture

Sodium PCA

Sodium PCA, NMF component, 1-10% humectant; salty/tacky at high levels.

Caprylyl Glycol

Polyol conditioner and preservative booster at 0.5–3%; emollient feel, often paired with 1,2-hexanediol

Ethylhexylglycerin

Mild conditioner and preservative booster at 0.5–1%; reduces preservative load, smooth feel

Tetrasodium EDTA

Chelator removing metal ions to enhance antioxidant and preservative efficacy; very low usage, typically 0.05-0.1%, no direct skincare function.

Denatonium Benzoate

Industrial denaturant to alter scent and prevent ingestion; not intended for cosmetic use, verify source compliance.

Benzoic Acid

Preservative and pH adjuster at 0.1–0.5%; low water solubility, best in acidic media, irritant at high levels.

Ci 42090

Acid Blue 9 lake; for coloring and brow tints. Non-permanent hair dye, watch for lake precipitation and batch shade variance.

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