Sunday Riley Tidal Deep Hydration & Plumping Serum — Multi-Weight Hyaluronic + Peptides

Sunday Riley Tidal Deep Hydration and Plumping Serum is an intense multi-weight hyaluronic serum with peptides and lotus-derived vegan mucin that visibly plumps, smooths, and locks in moisture for a dewy, resilient look.

This lightweight serum layers easily under moisturizers and makeup, delivering concentrated hydration without a greasy finish. Formulated with five molecular weights of hyaluronic acid, dual-weight polyglutamic acid, plumping peptides, and upcycled lotus root mucin, it targets surface dehydration, fine lines from dryness, and texture irregularities. The formula acts like a breathable water seal—attracting moisture to multiple skin layers and helping it stay there for hours, making skin look fuller and more luminous.

How does this serum hydrate different skin layers?

The serum uses hyaluronic acids of varied molecular sizes so moisture reaches both the skin’s surface and deeper layers. Smaller molecules penetrate farther while larger ones sit closer to the surface to create a smoothing film. Together with polyglutamic acid, the blend increases water retention and reduces visible dryness.

• Five hyaluronic acid weights for multi-depth hydration
• Polyglutamic acid in two molecular sizes holds additional moisture
• Creates a breathable seal to minimize transepidermal water loss

Will this serum help skin look plumper and reduce texture?

Yes — the combination of plumping peptides and lotus-derived vegan mucin supports a firmer, more elastic surface appearance. The mucin ingredient, sourced from upcycled lotus root, mimics the smoothing benefits of animal mucins while remaining plant-based. Regular use noticeably softens roughness and gives skin a livelier bounce.

• Peptides support temporary skin plumping and smoother feel
• Lotus vegan mucin improves texture and surface resilience
• Lightweight gel finish reduces tackiness, improving makeup application

How should I use Tidal for best results in my routine?

Apply on clean, slightly damp skin to maximize hyaluronic acid absorption, then follow with a moisturizer to seal hydration. Use morning and night, or as needed when skin feels tight. It layers well beneath sunscreens and makeup without pilling when skin is prepped correctly.

• Dispense a pea-sized amount and spread over face and neck
• Apply to damp skin for optimal absorption
• Lock in with a cream or oil to prolong hydration

Is this product suitable for sensitive or acne-prone skin?

The formula is lightweight and non-comedogenic, designed to hydrate without clogging pores; however, individual reactions vary. It avoids heavy oils and focuses on humectants and peptides, making it generally compatible with acne-prone and combination skin types. Patch-test if you have very reactive skin or known sensitivities to active ingredients.

• Non-greasy gel texture that won't overwhelm oily skin
• Free of snail mucin—uses plant-based lotus mucin instead
• Patch-test recommended for highly reactive skin

Who this is for: Sunday Riley Tidal suits anyone seeking immediate and long-lasting hydration—ideal for dry, dehydrated, combination, or aging skin that needs surface smoothing and a plumped appearance. If you want a lightweight, high-performance serum that layers under creams and makeup while delivering multi-depth moisture and texture refinement, this formula is built for your daily routine.

Ingredients

Aqua/Water/Eau, Glycerin, C15-19 Alkane, Polyglycerin-6, Jojoba Esters, Limnanthes Alba (Meadowfoam) Seed Oil, Glycoproteins, Xylitylglucoside, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Trehalose, Arginine, Phenyl Trimethicone, Anhydroxylitol, Sodium Acetylated Hyaluronate, C12-13 Alkyl Glyceryl Hydrolyzed Hyaluronate, Sodium Hyaluronate Crosspolymer, Hydrolyzed Sodium Hyaluronate, Sodium Hyaluronate, Passiflora Edulis Fruit Extract, Cucumis Melo (Melon) Fruit Extract, Citrullus Lanatus (Watermelon) Fruit Extract, Pyrus Malus (Apple) Fruit Extract, Rubus Idaeus (Raspberry) Fruit Extract, Cucumis Sativus (Cucumber) Fruit Extract, Hydrolyzed Jojoba Esters, Isododecane, 1,2-Hexanediol, Carbomer, Xylitol, Glyceryl Glucoside, Hydrolyzed Glycosaminoglycans, Adipic Acid/Neopentyl Glycol Crosspolymer, Polyglyceryl-10 Stearate, Lauryl Dimethicone, Polyglutamic Acid, Polyacrylate Crosspolymer-11, Fibroin, Hydrogenated Polyisobutene, Sodium Benzoate, Sodium Phytate, Hydrogenated Lecithin, Polysorbate 60, Sorbitan Isostearate, Copper Gluconate, Sodium PCA, Pentylene Glycol, Potassium Sorbate, Ethylhexylglycerin, Tocopherol, Caprylyl/Capryl Glucoside, Caprylyl Glycol, Citrus Limon (Lemon) Fruit Extract, Citrus Aurantium Dulcis (Orange) Peel Extract, Citric Acid, Alcohol, Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate, Benzotriazolyl Dodecyl p-Cresol, Tris(Tetramethylhydroxypiperidinol) Citrate, Pinene, Citrus Aurantium Peel Oil, Citrus Limon Peel Oil, Limonene.