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    Sunday Riley

    SAR 370.00

    Tidal Hydration Serum

    Tidal delivers a two-phase hydration ritual. It drenches the skin in multi-layer moisture then seals it in with a breathable, water-based veil for a plump, elastic finish that feels soft to the touch. Powered by five hyaluronic acid technologies, this silky formula quenches dryness across the skin’s surface, visibly smoothing and softening for hydration that lasts.

    Two molecular weights of polyglutamic acid, a next-generation humectant that holds up to five times more moisture than hyaluronic acid, draw water into the skin and create a light, cushiony seal to help lock it in.

    A vegan alternative to snail mucin, sourced from upcycled lotus root, helps restore bounce, improve elasticity, and refine texture, delivering a supple, smooth feel.

    An activated peptide solution, derived from upcycled silk, supports the skin’s natural production of claudin, a key protein that reinforces the moisture barrier to help prevent water loss and relieve tightness.

    Skin feels quenched, looks plumped, and springs back with bouncy, elastic resilience.

    SAR 370.00

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    Sunday Riley

    Tidal Hydration Serum

    SAR 370.00

    Reviews

    4.1

    89 Reviews

    5

    4

    3

    2

    1

    52

    15

    7

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    Recent Reviews

    Anujaff

    4

    4/30/2026

    Hydration bomb

    [This review was collected as part of a promotion.] [I received this product in exchange for my honest review] I really like the serum it hydrate my skin really well I have cracked dry skin

    Recommended

    Originally posted on sephora.com

    Haylsey123

    Verified Buyer

    1

    4/14/2026

    Stay far far away!! Danger! Danger!

    Bought this on 4/13/26. How is this allowed on store shelves!! Read the reviews but still decided to try. Holy moly did I make a mistake!! My skin immediately got blotchy, burned and turned bright red! The product started to peel. It’s been 15 minutes and I’m a hot mess! Buyer beware!!

    Originally posted on sephora.com

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