Kelp! Seaweed Serum Sheet Mask (Pack of 4)

One Time Purchase 4 packs

£45.00

Subscription 4 packs

SAVE 25%

£33.75

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Eco-Commitment:* 100% Compostable material.

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What over 150,000 customers are saying

Deeply hydrating: Serum-rich formula quenches skin and locks in long-lasting moisture.
Collagen supporting: Marine actives help boost skin’s natural collagen for firmer, plumper texture.
Barrier-strengthening: Protects and balances the skin barrier for improved resilience.
Calming & soothing: Reduces redness and irritation while reviving tired, stressed skin.
Radiance-restoring: Leaves skin luminous, fresh, and glow-ready.

Flood your skin with hydration and radiance. Our KELP Seaweed Sheet Mask is infused with an intensive, collagen-supporting serum that restores moisture, plumps fine lines, and soothes even the most sensitive complexions.

Apply to clean, dry skin. Leave on for 15–20 minutes. Remove and gently pat in any remaining serum—no need to rinse.

Pro tip: Store in the fridge for extra cooling benefits.

Made from 100% seaweed

An at-home facial mask with marine minerals, peach extract, and mountain peony. Our mask is made entirely from nutrient-dense kelp, naturally rich in vitamins, minerals, and antioxidants. The sheet itself is 100% biodegradable, ocean-derived, and planet-conscious, ensuring minimal impact with maximum results.

Kelp Seaweed: Has hydrating properties and is completely biodegradable after use.

Organic Aloe Vera: Calms and hydrates irritated and dry skin while providing antibacterial properties for acne-prone skin types.

Pear & Peach Extracts: With an invigorating, fresh scent, these antioxidant-rich extracts help boost hydration, smooth, and improve vibrancy of the skin.

Aloe Barbadensis Leaf Extract, Laminaria Japonica Extract, *Lactobacillus/Aloe Barbadensis Ferment Filtrate, Serenoa Serrulata Fruit Extract, Angelica Polymorpha Sinensis Root Extract, Trigonella Foenum-Graecum Seed Extract, Natto Gum, Leonurus Sibiricus Flower/Leaf/Stem Extract, *Argania Spinosa Kernel Oil, Anemarrhena Asphodeloides Root Extract, Bambusa Vulgaris Leaf/Stem Extract, Avena Sativa (Oat) Kernel Extract, Corylus Avellana (Hazelnut) Seed Oil, Angelica Keiskei Leaf/Stem Extract, Citrus Junos Fruit Extract, Xanthan Gum, Paeonia Suffruticosa Root Extract, Scutellaria Baicalensis Root Extract, Glycyrrhiza Glabra (Licorice) Root Extract, Plantago Asiatica Extract, Rosa Damascena Flower Water, Pyrus Communis (Pear) Fruit Extract, Prunus Persica (Peach) Fruit Extract, Jasminum Officinale (Jasmine) Flower Water, Hedera Helix (Ivy) Leaf/Stem Extract, Cucumis Melo (Melon) Seed Extract

As seen in

Boosts skin elasticity
and firmness

Helps remove
impurities

Supports healthy
and even skin tone

Helps protect against
environmental stressors

Supports
anti-aging

Leaves skin glowing
and refreshed

It's what's inside
that counts

Kelp

Role

Primary active / mask substrate

Benefits

• Mineral-rich and antioxidant-dense
• Helps hydrate and soften dry skin
• Supports skin's moisture retention
• Helps maintain skin elasticity and firmness
• Protects skin from pollution and free radicals

Organic Aloe Vera

Role

Soothing, hydrating active

Benefits

Rich in antioxidants, enzymes, and Vitamins A & C
Anti-inflammatory properties
Helps soothe dry, irritated, or sensitive skin
Supports hydration and skin comfort

Adenosine

Role

Anti-aging active

Benefits

Helps support anti-aging performance
Soothing and skin-repairing properties
Helps improve the appearance of skin texture

Organic Summer Damask Rose Water

Role

Active water / calming agent

Benefits

Improves overall complexion

Antibacterial properties help reduce breakouts
Anti-inflammatory properties help reduce redness and puffiness
Supports an even, balanced skin tone

Glycyrrhiza Glabra

Role

Calming and soothing active

Benefits

Helps soothe irritated skin
Eases inflammation
Supports skin comfort and balance

Backed by science

Deeply hydrates and helps lock in moisture

Supporting ingredients:

Kelp (Laminaria japonica extract) – rich in polysaccharides that bind water and support moisture retention
Lactobacillus / Aloe Barbadensis Ferment Filtrate – delivers long-lasting hydration and supports plumper-looking skin
Organic Aloe Vera (Aloe Barbadensis Leaf Extract) – hydrates and soothes dry skin

Scientific basis:

Water-binding polysaccharides and fermented botanicals are well documented for improving skin hydration and reducing transepidermal water loss.

Supports skin elasticity and firmness

Supporting ingredients:

Kelp (Laminaria japonica extract) – supports hydration and elasticity through mineral and antioxidant content
Collagen-supporting marine actives – help maintain the skin environment needed for resilient, elastic-looking skin
Pear Fruit Extract (Pyrus Communis) – supports collagen structure and skin elasticity

Scientific basis:

Improved hydration and antioxidant protection are closely linked to better elasticity and firmness appearance.

Helps smooth the appearance of fine lines

Supporting ingredients:

Adenosine – clinically recognised anti-ageing active shown to improve the appearance of wrinkles
Kelp (Laminaria japonica extract) – hydration support helps soften the look of fine lines

Scientific basis:

Adenosine is a well-studied cosmetic ingredient associated with wrinkle-appearance reduction and skin smoothing.

Soothes and calms sensitive skin

Supporting ingredients:

Organic Aloe Vera – anti-inflammatory and soothing
Organic Summer Damask Rose Water – anti-inflammatory; helps reduce redness and puffiness
Licorice Root Extract (Glycyrrhiza glabra) – calms irritation and eases inflammation
Ivy Leaf/Stem Extract (Hedera helix) – soothing and anti-irritant
Mountain Peony Root Extract (Paeonia suffruticosa) – antioxidant; supports skin clarity and calm

Scientific basis:

Anti-inflammatory botanicals help reduce redness and irritation, making them suitable for sensitive skin formulations.

Protects against environmental stressors

Supporting ingredients:

Kelp (Laminaria japonica extract) – antioxidant-rich marine active
Peach Fruit Extract (Prunus persica) – natural antioxidant
Mountain Peony Root Extract – antioxidant protection

Scientific basis:

Antioxidants neutralise free radicals generated by pollution and environmental exposure, supporting skin protection claims.

Enhances radiance and skin balance

Supporting ingredients:

Organic Summer Damask Rose Water – improves complexion
Pear Fruit Extract – softens and supports even skin appearance
Peach Fruit Extract – helps improve hydration and tone
Aloe Vera & fermented aloe – restore moisture balance for a healthy glow

Scientific basis:

Balanced hydration and reduced inflammation contribute directly to improved radiance and even-looking skin.

Hear from our thousands of customers

Instant Glow

It’s become my go-to when my skin feels tired.

So Hydrating

Leaves my skin feeling really soft and hydrated.

Mini at Home Facial

My skin looks noticeably more glowing & smoother after use.

Perfect for my Sensitive Skin

I have very sensitive skin and this mask is so gentle.

Non-irritating!

Most masks irritate my skin but this one is really soothing and hydrating.

So Gentle

My skin reacts to a lot of products but this mask leaves it calm and comfortable.

Love the Subscription

Signed up for the subscription and it’s so convenient. I always have a mask ready when I need it.

WHY THOUSANDS CHOOSE MAY BOTANICALS FOR THEIR SKIN RESET

Dermatologically tested
Suitable for sensitive skin
100% natural ingredients
91% organic ingredients
100% compostable
Cruelty free
Vegan
Free from palm oil and palm-derived ingredients
Made from biodegradable seaweed cellulose

Us Vs Them

May Botanicals Mask

Typical Sheet Masks

Material

100% Organic Kelp

Synthetic Paper / Plastic

Actives

Prebiotics & Hyaluronic

Water & Alcohol Fillers

Skin Feel

Cooling "Second Skin"

Dripping & Itchy

Planet

100% Compostable

Landfill Waste

Certification

COSMOS Organic

Unregulated / "Natural"

STEP 1

Apply

Smooth over clean skin. The kelp "grips" naturally.

STEP 2

Relax

Leave for 15 minutes to flood the skin with nutrients.

STEP 3

Glow

Massage excess serum in. Compost the mask sheet.

Founder

Georgia May Jagger created the Kelp! Seaweed Serum Sheet Mask for her brand MAY Botanicals to deliver real results while staying kind to the planet. Designed for sensitive skin, it uses mineral-rich kelp and marine actives to deeply hydrate, calm and support skin elasticity.

The nourishing formula helps smooth and restore the skin while reducing redness and boosting moisture for a balanced, natural glow. The mask is biodegradable, compostable and packaged in 100% recyclable materials, reflecting Georgia’s commitment to effective, environmentally conscious skincare.

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