A frosted glass bottle of OSEA Seaglow Overnight Serum with a white pump dispenser and minimalist label displaying the product name and size (1.2 fl. oz. / 34 ml). A bottle of OSEA Seaglow Overnight Serum lies on sandy beach next to foamy ocean waves. A smooth, creamy, light pink lotion or skincare product is spread in three thick, curved streaks on a solid beige background. A woman with curly hair applies cream to her cheek while standing outdoors near the ocean, wearing a light-colored top. A close-up of a smiling person applying a dab of white cream to their cheek, with their skin glowing in natural sunlight.
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A frosted glass bottle of OSEA Seaglow Overnight Serum with a white pump dispenser and minimalist label displaying the product name and size (1.2 fl. oz. / 34 ml).

OSEA Seaglow Overnight Serum

1.2 oz

Why we love it

  • Free from 3,000+ banned ingredients and meets our EU-informed standards.
  • Resurfaces skin while strengthening its moisture barrier for maximum hydration.
  • Uses natural exfoliation to promote healthy cell turnover and renewal.
  • Evens skin tone and texture for a smoother, brighter complexion.
Purchase options

Seaglow Overnight Serum $68.00

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

High-performance 9% AHA + 2% Phytic Acid treatment exfoliates to promote skin turnover, which evens tone and texture overnight. Nutrient-rich seaweed and Shiunko oil reinforce skin’s moisture barrier to reveal radiance. Wake up to clearer pores and a smoother, brighter complexion.

Immediately after 1 use*:

- 97% agreed helped reveal smoother feeling skin

After 2 weeks*:

- 97% agreed skin felt softer and smoother
- 94% agreed it smoothed the look of pores
- 94% agreed skin looked healthy
- 91% agreed skin looked glowing

After 4 weeks*:

- 97% agreed skin felt re-texturized
- 94% agreed skin felt and looked transformed
- 87% agreed skin looked more even

*Based on a third-party consumer perception study conducted over 4 weeks on 32 women ages 37-65.

Water / Aqua / Eau, Pseudozyma Epicola/Apricot Kernel Oil/Olive Fruit Oil/Sunflower Seed Oil/Sweet Almond Oil/(Angelica Gigas/Lithospermum Erythrorhizon) Root Extract Ferment Extract Filtrate, Glycerin, Lactic Acid, Sodium Hydroxide, Cetearyl Olivate, Phytic Acid, Malic Acid, Tartaric Acid, Citric Acid, Sorbitan Olivate, Methylheptylglycerin, Spirulina Platensis Extract, Actinidia Chinensis (Kiwi) Fruit Water, Kappaphycus Alvarezii Extract, Lactobacillus/Pumpkin Fruit Ferment Filtrate, Sea Water / Maris Aqua / Eau de mer, Spondias Mombin Pulp Extract, Mangifera Indica (Mango) Pulp Extract, Musa Sapientum (Banana) Pulp Extract, Microcitrus Australasica Fruit Extract, Bambusa Vulgaris Leaf/Stem Extract, Pisum Sativum (Pea) Extract, Pullulan, Silica, Xanthan Gum, Lecithin, Sclerotium Gum, Glucosamine HCl, Caprylhydroxamic Acid, Leuconostoc/Radish Root Ferment Filtrate, Lactobacillus Ferment, Sodium Benzoate, Potassium Sorbate.

Apply on clean, dry skin before bed. For added hydration or for those with more sensitive skin, follow with a moisturizer. Cleanse in the morning, then follow with your regular AM routine and always apply sunscreen. Use 1-2 times a week or as needed.

Warning: Use only as directed. Avoid contact with the eyes. If irritation persists, discontinue use and consult a physician.

Sunburn Alert: This product contains an Alpha Hydroxy Acid (AHA) that may increase your skin’s sensitivity to the sun and particularly the possibility of sunburn. Use a sunscreen, wear protective clothing and limit sun exposure while using this product and for a week afterwards.

Grove Values

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3,000+ BANNED INGREDIENTS

Beautifully clean makeup and skincare.

From lip color to moisturizer, every beauty product is vetted for ingredients and materials that align with our strict standards, so you can feel confident in what goes on your skin.

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No hidden ingredients

Made without parabens, phthalates, or heavy metals

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Safer, smarter formulas

No talc, formaldehyde donors, or petroleum-based ingredients

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Less plastic, fewer microplastics

Low-waste formats and plastic-free packaging where possible

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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

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