A minimal white 5 fl oz (150 ml) pump bottle labeled "OSEA" in green text, featuring a wave icon, contains OSEA Undaria Algae™ Body Lotion for lasting hydration and firmer skin. Three women in swimsuits stand outdoors, each displaying smooth, firm legs. The center holds a white OSEA Undaria Algae™ Body Lotion bottle, highlighting hydrated skin with long-lasting moisture under the sunny sky. A woman applies OSEA Undaria Algae™ Body Lotion to her shoulder under a clear blue sky. Text highlights: “Instant & lasting hydration,” “Visibly firms skin in 4 hours,” and “Reveals radiant, revitalized skin.”. A woman in a green top sits outside holding OSEA Undaria Algae™ Body Lotion. Text: Sea Results After 1 Use—4 hrs: visibly firms skin, 86% saw reduced dryness, and 100% agreed skin felt smoother with lasting hydration. A close-up of a person in a dark swimsuit applying Undaria Algae™ Body Lotion by OSEA to their thigh, with text overlaid: "Silky, fast-absorbing lightweight lotion for firm skin and lasting hydration.
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A minimal white 5 fl oz (150 ml) pump bottle labeled "OSEA" in green text, featuring a wave icon, contains OSEA Undaria Algae™ Body Lotion for lasting hydration and firmer skin.

OSEA Undaria Algae™ Body Lotion

5 oz

Why we love it

  • Free from 3,000+ banned ingredients and meets our EU-informed standards.
  • Packed with sustainably-sourced Undaria algae for visibly firmer skin.
  • Delivers long-lasting hydration for supple, radiant skin.
  • Contains naturally-derived ingredients, supporting marine ecosystems.
Purchase options

Undaria Algae™ Body Lotion $48.00

Free carbon neutral shipping on orders $29+. Arrives in 3–5 days. Free, easy 30-day returns.

Our ultra-hydrating, lightweight body lotion is scientifically shown to visibly firm skin in just 4 hours. Packed with clinically tested ingredients including Undaria seaweed and hyaluronic acid, to deliver lasting hydration for radiant, revitalized skin.

Also available in fragrance-free, which is hypoallergenic, dermatologist tested and safe for sensitive skin.

We are committed to using naturally-derived ingredients; color variance from one bottle to the next is normal.

Scented:
Water / Aqua / Eau, Glycerin, Simmondsia Chinensis (Jojoba) Seed Oil, Persea Gratissima (Avocado) Oil, Cetearyl Olivate, Butyrospermum Parkii (Shea) Butter, Undaria Pinnatifida Extract, Propanediol, Coconut Alkanes, Sorbitan Olivate, Citrus Paradisi (Grapefruit) Peel Oil, Aloe Barbadensis Leaf Juice, Palmitoyl Tetrapeptide-72 Amide, Sodium Hyaluronate, Oryza Sativa (Rice) Bran Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Helianthus Annuus (Sunflower) Extract, Bisabolol, Coco-Caprylate/Caprate, Citrus Latifolia Peel Oil, Cupressus Sempervirens Branch/Leaf Oil, Caprylic/Capric Triglyceride, Trisodium Ethylenediamine Disuccinate, Caprylhydroxamic Acid, 1,2-Hexanediol, Tocopherol, Tetrahydrodiferuloylmethane, Xanthan Gum, Cetyl Stearate, Saccharide Isomerate, Caprylyl Glycol, Ethylhexylglycerin, Sodium Citrate, Citric Acid, Sodium Benzoate, Potassium Sorbate, Fragrance / Parfum

From time to time, ingredients may be updated. Please check the product packaging for the latest ingredient list.

Fragrance Free:
Water / Aqua / Eau, Glycerin, Simmondsia Chinensis (Jojoba) Seed Oil, Persea Gratissima (Avocado) Oil, Coconut Alkanes, Caprylic/Capric Triglyceride, Undaria Pinnatifida Extract, Propanediol, Cetearyl Olivate, Sorbitan Olivate, Butyrospermum Parkii (Shea) Butter, Aloe Barbadensis Leaf Juice, Palmitoyl Tetrapeptide-72 Amide, Sodium Hyaluronate, Bisabolol, Oryza Sativa (Rice) Bran Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Helianthus Annuus (Sunflower) Extract, Coco-Caprylate/Caprate, Trisodium Ethylenediamine Disuccinate, Caprylhydroxamic Acid, 1,2-Hexanediol, Tetrahydrodiferuloylmethane, Xanthan Gum, Cetyl Stearate, Saccharide Isomerate, Tocopherol, Sodium Citrate, Sodium Benzoate, Caprylyl Glycol, Ethylhexylglycerin, Citric Acid, Potassium Sorbate

From time to time, ingredients may be updated. Please check the product packaging for the latest ingredient list.

Generously massage into dry or damp skin.

Due to the use of natural ingredients, color may vary. This is normal and doesn't impact the product's quality or efficacy.

Grove Values

An open jar of OSEA collagen dream night cream and a pump bottle of OSEA undaria algae body oil are displayed on a light background.

Seaweed skincare rooted in family wisdom

OSEA was founded in Malibu in 1996 by Jenefer Palmer, inspired by her grandmother Elsa’s belief in the restorative power of the ocean. Drawing on multigenerational female healing traditions, OSEA crafts clean, seaweed‑infused skincare using thoughtfully sourced ingredients, climate‑positive packaging, and uncompromising transparency.

A flat lay of assorted skincare and hygiene products, including body wash, facial cream, mascara, cleansing foam, facial cream tube, soap, cotton cover pads, and green towels on a peach background.
3,000+ BANNED INGREDIENTS

Personal care with nothing to hide.

From head to toe, every product is screened for ingredient safety, material impact, and unnecessary waste — so you can feel more confident in what touches your body every day.

A white bottle of OSEA Ocean Cleanser with a pump dispenser is shown at an angle against a coral pink circular background. The bottle has minimalist black text and a small dark circle near the bottom.

Strictly screened ingredients

Including parabens, PEGs, sulfates, phthalates, and synthetic fragrance

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Cruelty free

Every personal care brand we offer is committed to cruelty-free practices

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Less plastic, fewer microplastics

Refillable and reduced-plastic options that lessen waste and microplastic exposure

A close-up of a human fingertip with colorful microplastic particles on the skin, and images of a plastic bag, bottle, and six-pack ring layered in the corner, highlighting plastic pollution.

Go Beyond Plastic™ and microplastics.

Plastic products break down into microplastics that can affect human health.

Grove Co. is on a mission to reduce plastic in home essentials — for both people and for the planet.

Learn more on the Home Planet blog