Flat, Greasy Hair After Every Workout?

The 2-In-1 Shampoo Made For Athletes.

$24.99Over 5,312 5-Star Reviews
ONSIDE 2-in-1 Shampoo & Conditioner
ONSIDE 2-in-1 Shampoo & Conditioner, the range
ONSIDE compared with the drugstore alternative
The core scents
How it fits the day
A review from an ONSIDE customer
What is in it
  • Cleans and conditions in one
  • Sulfate-free
  • Made in USA
$24.99Over 5,312 5-Star Reviews
Read reviews
Description

A 2-in-1 formula that removes buildup while conditioning and strengthening hair.

Why It Works

  • Cleans and conditions
  • Strengthens hair
  • Lightweight, non-heavy finish
  • Built for daily use
  • Minimal effort. Maximum impact.

Key Ingredients

  • Charcoal: removes buildup
  • Amla Oil: strengthens hair
  • Biotin: supports hair health

How to Use
Apply to wet hair. Lather and rinse.

  • Tested, approved & used by real pro athletes.
  • Clears sweat & buildup. Leaves your hair soft, not stripped.
  • Luxury scents that turn heads. Skip the cologne.

Choose your scents

Best deal
1 bottle $24.99/ea
3 bottles $19.99/ea
5 bottles $17.49/ea
7+ bottles $14.99/ea
ONSIDE 2-in-1 Shampoo & Conditioner, Green Tea Cedar Best sellerGreen Tea CedarGreen and quiet. Never loud. 0
ONSIDE 2-in-1 Shampoo & Conditioner, Tea Tree Mint Tea Tree MintSharp and clarifying. Wakes you up. 0
ONSIDE 2-in-1 Shampoo & Conditioner, Hinoki Incense Hinoki IncenseWoody and smoky. Slow-burning. 0

One-time purchase. No subscription.

  • Ships same day
  • Tested by pro athletes
  • 30-Day Sweat Guarantee

Complete Your Routine

Deep Clean Body Wash
Deep Clean Body WashEucalyptus & Mint$24.99$28.99
Body Cream
Body Cream$24.99
Aluminum‑Free Deodorant
Aluminum-Free Deodorant$24.99$32.99

30-Day Sweat GuaranteeTrain with it for 30 days. If it can't keep up, full refund.

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Do I save when I buy more?

Yes. 3 or more get 20% off, 5 or more get 30% off, 7 or more get 40% off. It is applied in your cart, no code needed.

Is it really a shampoo and a conditioner?

Yes. One step cleans and conditions, so there is no second bottle in the shower.

Will it dry out my hair?

It is sulfate free and made to clean without stripping. Amla oil conditions and strengthens while you wash.

Is it OK for everyday use?

Yes. It is built for daily use, after a workout or after work.

Read more FAQs
  • Tested by pro athletes
  • Cleans & conditions in one
  • Sulfate-free
  • Luxury scents
  • Made in USA
  • 30-day sweat guarantee
Jayson Tatum holding a basketball and Jude Bellingham standing with his hands on his hips

Tested & Approved By Two Of The Best In The World.

Jayson Tatum and Jude Bellingham. Two champions at the top of their sports.

As ONSIDE ambassadors, they test and use the products we make. Every bottle carries their stamp of approval.

If it's what they use, why not you?

Jayson TatumNBA Champion · ONSIDE Ambassador
Jude BellinghamChampions League Winner · ONSIDE Ambassador

Shared By Our Customers

Your Shampoo Wasn't Made For Men Who Move.

Most 2-in-1s strip your hair to get it clean, then leave it dry and flat. The sweat and buildup are back by your next session. So we made our own.

Onside 2-in-1 was made for athletes and tested by pros to clear the sweat and buildup, leave your hair soft, and leave a scent people actually notice with our Active Clean™ Formula.

A hand holding ONSIDE 2-in-1 Shampoo & Conditioner behind the shower glass
  • Pro-athlete testedUsed by Tatum & Bellingham
  • Clean, never strippedCleans and conditions in one
  • Skip the cologneCologne-style scents
  • Clean formulaNo sulfates, parabens, phthalates

How Our Active Clean™ Formula Works.

One wash, three jobs. Most 2-in-1s strip your hair to get it clean. Active Clean™ works in order: charcoal clears the sweat and buildup off your scalp, amla oil and biotin condition and strengthen as you rinse, and a cologne-style scent leaves you smelling clean, put together, and ready for whatever comes next.

One wash. Three jobs.
  1. Clear the sweat & buildup Charcoal purifies your scalp
  2. Condition & strengthen Amla oil + biotin
  3. Walk out smelling good Cologne-style scent that stays
PurifySweat and buildup, gone.

Charcoal purifies your scalp and removes sweat, oil and product buildup.

Charcoal
StrengthenConditions as it cleans.

Amla oil strengthens your hair while it conditions, so it feels soft when you towel off.

Amla oil
ONSIDE 2-in-1 Shampoo & Conditioner, Green Tea Cedar
Biotin
SupportThicker-looking hair.

Biotin supports thicker, healthy-looking hair.

Eucalyptus, mint and sandalwood
ScentBuilt like a cologne.

Fresh top notes over a warm base, like a fragrance. It stays in your hair after you towel off.

Jayson Tatum going up for a dunk

Backed By Our 30-Day Sweat Guarantee

Use our 2-in-1 shampoo for a month. If it isn't the best you've owned, send it back within 30 days for a full refund. That's how confident we are.

Us vs Them

Built Different. Here's The Proof.

Find the bottle that is in your shower right now
and see what it leaves out.

After you train
Sweat and buildup gone, not just rinsedCharcoal purifies your scalp
Hair that feels soft, not strippedCleans and conditions in one step
People notice you smell goodA cologne-style scent that stays after you towel off
Your hair
Stronger, thicker-looking hairAmla oil strengthens, biotin supports
Fine for washing every dayAfter the gym, every day
Nothing harsh on the labelNo sulfates, parabens or phthalates
Who uses it
Tested and approved by pro athletesEvery bottle is signed off by both of them
Your money back if it can't keep upThe 30-Day Sweat Guarantee
ONSIDE
Tatum & Bellingham
30 days
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Your Dad's Shampoo
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Your Friend's Shampoo
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Loud & sweet
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Other 2-In-1 Shampoo
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Compared with common types of men's shampoo, not with one specific brand. An empty circle means that type of product is not built around that benefit.

Choose Onside
What Customers Are Saying

They Trained With It. Here Is What They Said.

Over 5,3125-star reviews

“I normally don’t expect much from 2-in-1 shampoo and conditioner products, but this one honestly surprised me. It cleans my hair really well while leaving it soft and manageable instead of dry or heavy. The scent is fresh, masculine, and lasts just enough without competing with whatever fragrance I’m wearing afterward. It lathers quickly, rinses clean, and saves time in the shower without sacrificing performance. My hair feels healthier, looks cleaner, and is much easier to style after using it consistently. I also like that I don’t have to buy separate shampoo and conditioner when this does both jobs so well. The bottle is easy to use, the product lasts a long time, and the overall quality feels much more premium than I expected. Whether you’re rushing to get ready in the morning or just want a simple grooming routine, this is a product that delivers. I’ll definitely continue using it because it makes my routine easier while still giving me great results every single day.”

AshleyVerified buyer · Aug 8, 2026

“ONSIDE 2-in-1 Shampoo & Conditioner (Hinoki Incense) exceeded my expectations. It leaves my hair feeling clean, soft, and refreshed without drying it out. The Hinoki Incense scent is amazing and lasts throughout the day. I would definitely recommend it to anyone looking for a high-quality 2-in-1 shampoo and conditioner.”

TylerVerified buyer · Jul 27, 2026

“If you’re looking for a men’s shampoo that actually leaves hair smelling fresh the next day, this Tea Tree Mint 2-in-1 shampoo and conditioner has been a favorite in our house. My husband loves how clean his hair feels, and I love that the fresh scent lasts. Definitely one we’ll keep repurchasing. 🌿💙”

JordanVerified buyer · Jul 3, 2026

“Great shampoo 2 in 1 conditioner, was skeptical at first because 2 in 1 usually means harsh ingredients, but it has a great scent and made my hair feel soft and full.”

JamesVerified buyer · Jul 8, 2026

“Honestly best 2-1 i’ve used, made my hair feel better then my last 2-1, my hair is much softer and it also gave me some volume post shower, rlly enjoyed it”

MonsterrVerified buyer · Jul 7, 2026

“I really like this 2-in-1 shampoo and conditioner! It cleans well, leaves my hair soft, and gives it a nice volume. Great product!”

EthanVerified buyer · Aug 4, 2026

“My hubby has been using onside product and when I introduced the onside tea tree mint shampoo conditioner he was amazed the difference a shampoo can make. When I tried it, omg your scalp feels so good and it smells amazing”

MichaelVerified buyer · Aug 11, 2026

“Highly recommended. I was skeptical about the 2 in 1 idea, but it left my families hair feeling soft and refreshed from the tea tree mint!”

GraceVerified buyer · Jul 14, 2026

“I accidentally squeezed out too much lol but this shampoo/conditioner combo is nice!! The scent is perfect too! My hair felt soft and conditioned after.”

AshleyVerified buyer · Aug 6, 2026

“I have to say it is really good I cannot lie I used it the day I got it and it worked great on my hair and better ones I have purchased at the store”

ElizabethVerified buyer · Aug 15, 2026

“Good product for the price, leaves hair clean and conditioned and smells great.”

VictoriaVerified buyer · Aug 1, 2026

“Absolutely beautiful scent. And last long after showering”

RyanVerified buyer · Aug 10, 2026

“This thing works very well and smells great. Highly recommended”

KaylaVerified buyer · Jul 25, 2026

“Smells great. Good size bottle for the price. Shipping was real fast”

KyleVerified buyer · Aug 5, 2026

“My husband loves it. He says that leaves them fresh and clean and he smells really good.”

AaronVerified buyer · Aug 7, 2026