Hydro UV Shield Sunscreen SPF50+
What it's good for
Key actives from our research database. Click any to read the full evidence dossier.
A supporting UVB filter in many lightweight chemical sunscreens. It helps a formula reach its labeled SPF, but it needs UVA partners such as avobenzone for broad-spectrum coverage.
Good for: Sun protection
A UVB filter and formula stabilizer commonly paired with avobenzone. It helps broad-spectrum sunscreen keep working in sunlight, though people with a history of sunscreen photoallergy may prefer an alternative filter system.
Good for: Sun protection
A supporting UVB filter that improves both protection and formula feel. It is rarely the star of a sunscreen, but it helps the complete filter blend deliver the SPF printed on the bottle.
Good for: Sun protection
The most widely used chemical UVA filter in Western sunscreens, critical for blocking the longer wavelengths that drive photoaging, pigmentation, and deeper DNA damage. Always look for it paired with a photostabiliser such as octocrylene so it doesn't degrade and leave you unprotected mid-day.
Good for: Sun protection
A pure hydrator that holds water in your skin. Makes skin look plumper and smoother almost immediately.
Good for: Hydrating
Evidence behind the ingredients
Real citations from our research database, one per tracked active in this product. Click any ingredient name to read its full evidence dossier.
A supporting UVB filter in many lightweight chemical sunscreens. It helps a formula reach its labeled SPF, but it needs UVA partners such as avobenzone for broad-spectrum coverage.
Matta MK et al. Effect of Sunscreen Application on Plasma Concentration of Sunscreen Active Ingredients: A Randomized Clinical Trial. JAMA. 2020;323(3):256-267 — maximal-use study measured systemic exposure to homosalate and five other sunscreen actives.
Bens G. Sunscreens. Advances in Experimental Medicine and Biology. 2014;810:429-463 — review of organic and inorganic sunscreen filters, their spectral roles, formulation, and safety considerations.
Kim TH et al. Percutaneous absorption, disposition, and exposure assessment of homosalate, a UV filtering agent, in rats. Journal of Toxicology and Environmental Health A. 2014;77(4):202-213.
A UVB filter and formula stabilizer commonly paired with avobenzone. It helps broad-spectrum sunscreen keep working in sunlight, though people with a history of sunscreen photoallergy may prefer an alternative filter system.
Matta MK et al. Effect of Sunscreen Application on Plasma Concentration of Sunscreen Active Ingredients: A Randomized Clinical Trial. JAMA. 2020;323(3):256-267 — maximal-use study measured systemic exposure to octocrylene and five other sunscreen actives.
Bens G. Sunscreens. Advances in Experimental Medicine and Biology. 2014;810:429-463 — review of organic and inorganic sunscreen filters, their spectral roles, formulation, and safety considerations.
Avenel-Audran M et al. Octocrylene, an emerging photoallergen. Archives of Dermatology. 2010;146(7):753-757 — multicenter clinical study characterized contact and photocontact allergy to octocrylene.
A supporting UVB filter that improves both protection and formula feel. It is rarely the star of a sunscreen, but it helps the complete filter blend deliver the SPF printed on the bottle.
Matta MK et al. Effect of Sunscreen Application on Plasma Concentration of Sunscreen Active Ingredients: A Randomized Clinical Trial. JAMA. 2020;323(3):256-267 — maximal-use study measured systemic exposure to octisalate and five other sunscreen actives.
Bens G. Sunscreens. Advances in Experimental Medicine and Biology. 2014;810:429-463 — review of organic and inorganic sunscreen filters, their spectral roles, formulation, and safety considerations.
+−2 more ingredients
The most widely used chemical UVA filter in Western sunscreens, critical for blocking the longer wavelengths that drive photoaging, pigmentation, and deeper DNA damage. Always look for it paired with a photostabiliser such as octocrylene so it doesn't degrade and leave you unprotected mid-day.
Afonso S, Horita K, Sousa e Silva JP, et al. Photodegradation of avobenzone: stabilization effect of antioxidants. J Photochem Photobiol B. 2014;140:36-40.
Wang SQ, Stanfield JW, Osterwalder U. In vitro assessments of UVA protection by popular sunscreens available in the United States. J Am Acad Dermatol. 2008;59(6):934-42.
Gange RW et al., Efficacy of a sunscreen containing butyl methoxydibenzoylmethane against ultraviolet A radiation in photosensitized subjects, J Am Acad Dermatol 1986;15(3):494-9 — DB controlled, butyl methoxydibenzoylmethane reduced UVA erythema
A pure hydrator that holds water in your skin. Makes skin look plumper and smoother almost immediately.
Karabat MU, Tuncer MC. Effects of hyaluronic acid on skin at the cellular level: a systematic review. Rev Assoc Med Bras. 2025;71(8):e20250208. — Systematic review of 45 studies found low-molecular-weight HA stimulates keratinocyte proliferation and migration while high-molecular-weight HA drives skin hydration, supporting topical HA as an effective skin-hydrating and barrier-supporting ingredient.
Bravo B et al., Benefits of topical hyaluronic acid for skin quality and signs of skin aging: From literature review to clinical evidence, Dermatology and Therapy 2022;12(12):2657-2680 — HA-based cosmeceuticals reliably improve hydration and signs of skin aging
Lee SG et al., Hyaluronan Oligosaccharides Improve Rosacea-Like Phenotype through Anti-Inflammatory and Epidermal Barrier-Improving Effects, Annals of Dermatology 2020
Sources: 10 clinical journals and regulatory databases across the US, EU, Korea, Japan, and China. Every entry points to a specific document. See methodology for the full list and what each outcome label means.
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