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Stronger hair.
Swim Strong.
A season's supply.
The Three Swim Strong Shampoo Bars, Leave-In Conditioner 32 fl oz and Nourishing Body Lotion 32 fl oz — all in one bundle. Three bars matched to a season supply of conditioner and lotion, so the whole routine runs out at the same time. Biodegradable. Reef-Safer™. 15% off when bought together. Biodegradable. Reef-Safer™. 15% off when bought together.
Three products.
Built for swimmers.
Three Swim Strong bars plus a season supply of leave-in conditioner and body lotion — the full post-swim routine built for people who are in the water daily. 15% off when bought together.
Swim Strong Shampoo Bar
3 bars per bundle — a strengthening shampoo bar formulated specifically for hair exposed to salt, chlorine and sun. Rice protein rebuilds the hair shaft; seaweed restores shine and elasticity. Works as both shampoo and body wash.
Leave-In Hair Conditioner — 32 fl oz
Apply to damp hair — no rinsing needed. Detangles instantly, adds shine, provides UV protection and prevents the brittleness that daily swimming causes. Non-greasy. All hair types.
Nourishing Body Lotion — 32 fl oz
Fast-absorbing and silky — replenishes moisture stripped by salt, chlorine and sun exposure. Green Tea & Wakame antioxidant blend. No greasy residue. The final step in the post-swim routine.
All three. Zero waste bar.
15% off when bought together.
3 Swim Strong Shampoo Bars + Leave-In Conditioner + Nourishing Body Lotion — the complete post-swim routine for people who care what goes back into the water. Reef-Safer™. Biodegradable.
Most shampoos strip
what swimming already takes.
Salt, chlorine and UV exposure strip protein and moisture from hair every time you swim. Most shampoos compound the damage with harsh surfactants. Stream2Sea Swim Strong is built to cleanse and replenish at the same time — and biodegrades in freshwater and saltwater so what goes down the drain does not stay in the reef.
Rice protein rebuilds hair strength from the inside
Each wash deposits rice protein into the hair shaft, rebuilding the strength that chlorine and salt strip away. Over time, hair becomes more resilient and less prone to breakage — not just clean.
Seaweed restores shine and elasticity
The Swim Strong bar is fragrance-free and formulated for sensitive skin — deep cleansing with no harsh surfactants. Three bars in the bundle means your shampoo supply matches your conditioner and lotion, so you reorder everything together.
Biodegradable — tested in freshwater and saltwater
The Swim Strong bar biodegrades in freshwater and saltwater within 30 days — tested in real-world conditions, not just sewage treatment plants. Every 32 fl oz bottle is made from 97% post-consumer recycled ocean-bound plastic.
Four botanicals.
One antioxidant core.
Every Stream2Sea hair and body formula is built around the same four-ingredient antioxidant blend — chosen to protect, nourish and restore hair and skin that takes a daily beating from sun, salt and chlorine.
Biodegradability — tested where it actually matters
Most biodegradability testing happens in sewage treatment plants under controlled lab conditions. Stream2Sea tests in both freshwater and saltwater environments — because that is where these products actually end up when swimmers shower at dive sites, on boat decks and at outdoor rinse stations. The formula breaks down completely within 30 days in real-world water conditions.
Wash. Condition. Nourish.
A complete post-swim or post-dive routine in three products — takes under five minutes.
Rinse first
Rinse hair and skin with fresh water to remove the bulk of salt or chlorine before washing.
Before washingBar shampoo and body wash
Lather one of the Swim Strong bars and massage through hair and over the body. The rice protein deposits into the hair shaft with every wash. Rinse well.
Swim Strong BarLeave-in conditioner
On damp hair, apply Leave-In Conditioner and finger comb through evenly. Do not rinse — leave it in and style as normal.
Leave-In ConditionerBody lotion
Apply Nourishing Body Lotion to damp skin while pores are still open. Fast-absorbing — no greasy finish, no residue.
Body Lotion“I was watching people wash their hair on the deck of a liveaboard — fragrant suds streaming directly into the water over a pristine coral reef. That image is why Stream2Sea exists. Not just the sunscreen slick coming off the snorkelers below. The shampoo. The body wash. The lotion. Everything we put on our bodies eventually reaches the water. Every formula I make has to be able to answer for that.”
What swimmers and divers are saying
“I have sensitive skin and cannot use scented products. The Swim Strong bar is the only shampoo bar I have found that does not irritate my scalp. Clean rinse, no residue, and it lathers better than I expected.”
“I swim in the ocean every day and Stream2Sea Leave-In Conditioner is my go-to. It brings my salty hair back to life — instantly detangles, adds shine, and leaves my hair soft, healthy and easy to style.”
“The body lotion is incredible — fast-absorbing, not sticky, smells amazing. I use it every single day after my swim. Knowing it will not harm the reef I train in makes it easy to keep buying.”
“I train in chlorinated water six days a week and my hair was suffering. The Swim Strong bar plus the leave-in conditioner has made a real difference. Hair feels stronger, looks better, and I have stopped worrying about what goes down the rinse station drain.”
Not satisfied? We'll make it right.
If it does not perform as described, email hello@stream2sea.com and we will sort it — no awkward returns, no runaround.
What swimmers ask us most
How does the Swim Strong bar differ from the other shampoo bars?
The Swim Strong bar is completely fragrance-free — no essential oils, no botanical fragrance. It is specifically formulated for sensitive skin, people with fragrance sensitivities, or anyone who prefers an unscented wash. The Swim Strong bar includes ingredients for strengthening chlorine-exposed hair, and the Color Protect bar is formulated to preserve colour-treated hair. All three use the same biodegradable base.
How quickly does the Swim Strong bar start working?
Yes. The Swim Strong bar is a mild, balanced formula that works for straight, wavy and curly hair. For fine hair, use a small amount and focus on the scalp. For thicker or coarser hair, allow the lather to work through to the ends. Pair with the Leave-In Conditioner for best results, especially if your hair is regularly exposed to salt or chlorine.
Is the Swim Strong bar suitable for colour-treated hair?
Yes, though if your primary concern is colour preservation the Color Protect bar is specifically formulated for that. The Swim Strong bar is colour-safe and will not strip colour faster than any other quality shampoo, but its formulation is optimised for strength and resilience rather than colour longevity specifically.
Will the Leave-In Conditioner weigh down fine hair?
No — it is specifically formulated to be non-greasy and lightweight. Apply to damp hair only using a small amount. Multiple reviewers with fine hair note that it does not flatten their hair. A small amount is enough for most hair lengths.
Is the 32 fl oz conditioner and lotion the same formula as the standard sizes?
Yes — exactly the same formula, same concentration, same biodegradable standard. The 32 fl oz is purely a value size for regular users. All bottles are made from 97% post-consumer recycled content including ocean-bound plastic.
What does Reef-Safer mean on the shampoo bar?
“Reef-safe” is an unregulated marketing term — any brand can use it with no testing required. Stream2Sea uses Reef-Safer™ because every ingredient is evaluated against published aquatic toxicity data. The bar formula biodegrades in freshwater and saltwater within 30 days — tested in real-world conditions, not just sewage treatment plants. That is a meaningfully higher standard.
Your daily routine.
Without the daily guilt.
Three Swim Strong Shampoo Bars, Leave-In Conditioner and Nourishing Body Lotion — the complete Reef-Safer™ post-swim routine. Three bars so your shampoo lasts as long as your conditioner and lotion.
Reef-Safer™ · Biodegradability Tested · Zero Plastic Bar · Ocean-Bound Packaging · Free US shipping $35+