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Sea Silk Hair Serum

Sea Silk Hair Serum

$83.00 NZD · 100mL
$83.00 NZD · 100mL
Sold out

Salt, sun, and chlorine leave hair dry, rough, stiff, and hard to manage. Specifically developed for ocean-exposed strands, this Korean-crafted leave-in serum smooths and helps release salt-stiff tangles—restoring soft, healthy-looking shine while sealing in lightweight nourishment without oiliness or buildup.

How To Use

On damp hair
Warm a small amount between your palms and apply through mid-lengths and ends
to improve smoothness and elasticity.

On dry hair
Use sparingly throughout the day to tame frizz and restore shine after exposure
to salt or chlorine.

Routine
Use daily as your leave-in hair recovery step.

Tip
For optimal recovery, apply immediately after showering once hair is
towel-dried.

Good To Know

Sea Silk Hair Serum has a lightweight, silky texture designed to smooth and soften hair without weighing it down. It absorbs easily into damp or dry hair, helping to calm frizz and restore shine after exposure to sun, salt, and wind.

Suitable for daily use and comfortable even on fine or sun-stressed hair. Designed to leave hair feeling soft, manageable, and luminous — never greasy or heavy.

Thoughtfully formulated without parabens, artificial colourants, mineral oil, or drying alcohol.

As no artificial colourants are used, subtle variations in the natural hue of the formula may occur over time due to the botanical extracts within. This is completely normal and does not affect product performance or safety.

Clinical Testing

Clinically evaluated for skin irritation.

Non-irritating — including on sensitive skin.

  • Primary Dermal Irritation Test — Non-irritating
  • Primary Dermal Irritation Test On Sensitive Skin — Non-irritating

Independently tested by Dermatocosmetic Skin Science Laboratory.

Our Ocean Commitment

Born from the sea and guided by respect for it. As part of our commitment, 1% of all proceeds support marine conservation through 1% for the Planet.

Shop the Ritual

Discover the difference

A concentrated blend of five nutrient-rich botanical oils and our MerCell™ Repair Complex delivers deep nourishment to depleted strands. It restores softness, strengthens resilience, and revives healthy-looking shine with every application.

Marine Vegan PDRN
Centella Complex
Triple Aloe Complex

Marine Vegan PDRN, Centella, and Triple Aloe help reinforce weakened strands and support elasticity.

Sea Buckthorn Fruit Oil
Argan Oil
Borage Seed Oil
Green Tea Seed Oil
Moringa Seed Oil

Five omega-rich plant oils smooth, soften, and enhance natural shine.

DIMETHICONE, ISODODECANE, DIMETHICONOL, C12-15 ALKYL BENZOATE, FRAGRANCE, HIPPOPHAERHAMNOIDES FRUIT OIL, HEXYLCINNAMAL, HYDROXYCITRONELLAL, GERANIOL, CITRONELLOL, LIMONENE, ARGANIA SPINOSA KERNELOIL, BORAGO OFFICINALIS SEED OIL, CAMELLIA SINENSIS SEED OIL, MORINGA OLEIFERA SEEDOIL, TOCOPHEROL, WATER,1,2-HEXANEDIOL, BUTYLENE GLYCOL, ALOE BARBADENSIS FLOWER EXTRACT, ALOEBARBADENSIS LEAF EXTRACT,ALOE BARBADENSIS LEAF JUICE, CENTELLA ASIATICA EXTRACT, MELALEUCAALTERNIFOLIA (TEA TREE) LEAF EXTRACT, SODIUM DNA, ASIATIC ACID, ASIATICOSIDE, MADECASSICACID, MADECASSOSIDE

Scent Profile

Top: Grapefruit, Green Apple, Apricot

Heart: Freesia, Rose, Muguet

Base: Musk

  • Circular by Design

  • 100% post-consumer recycled bottle (excluding pump)
    Water-separable labels for easy recycling
    100% recyclable FSC-certified carton
    Printed with Soy Ink

FAQs

Products & Use

Who are Mermaid’s Secret products designed for?

Our products are designed for those who spend time in the ocean or a pool and want daily recovery for skin and hair after environmental exposure.

Can I use the products every day?

Yes. All products are formulated for daily use as part of a balanced recovery routine.

Do I need to use all three products together?

No. Each product can be used on its own or alongside the skincare and haircare you already use. Together, they simply offer a more complete recovery ritual.

Ingredients & Formulation

Where are your products made?

Our formulas are developed in Korea and manufactured in certified facilities to meet the highest standards of quality and safety.

What is the MerCell™ Repair Complex?

MerCell™ Repair Complex is Mermaid’s Secret’s signature recovery blend designed for skin and hair exposed to salt, sun, and wind. It combines Marine Plant PDRN, Centella (Cica), and Triple Aloe Complex to help calm heat-stressed skin, support the barrier, and restore softness and hydration after ocean exposure.

Is Mermaid’s Secret suitable for sensitive skin?

Yes. Mermaid's Secret is designed with sensitive, ocean-exposed skin in mind. Our formulas are built around calming ingredients — including Centella (Cica) and Triple Aloe Complex — to soothe and restore skin after salt, sun, and wind exposure.

All products have been independently tested and clinically evaluated for skin irritation, and confirmed non-irritating — even for sensitive skin.

  • Primary Dermal Irritation Test – Non-irritating
  • Primary Dermal Irritation Test on Sensitive Skin – Non-irritating

Sustainability & Packaging

What kind of packaging do you use?

Our packaging uses 50–100% post-consumer recycled plastic, FSC-certified paper, soy-based inks, and water-separable labels to support cleaner recycling streams

Are you affiliated with any environmental initiatives

Yes. Mermaid’s Secret is a proud member of 1% for the Planet, contributing to environmental causes through our sales.

Orders & Support

How do I apply a promo code to my order?

Enter your promo code in the “Discount” box at checkout. Only one promo code can be applied per order. Promo codes cannot be added after an order is placed and have no cash value.

How do I check my order status?

Once your order ships, you will receive a shipping confirmation email with a tracking number. Please allow up to 24 hours for tracking updates to appear.

Who can I contact if I need help with my order?

For any questions regarding your order, please contact us via our Contact Us Form or directly at hello@mermaidssecret.com. We will response within 1 business day.

How do I check my order status?

Once your order ships, you’ll receive a confirmation email with tracking details.

If you have an account, you can also view your order status by logging in.

I didn’t receive my order confirmation email — what should I do?

Please check your spam or promotions folder first.

If you still can’t find it, contact us at hello@mermaidssecret.com and we’ll help you right away.