Here’s a quick look at K18 Hair's current and upcoming main sales in 2026. Dates and sales may change, so check the official site for the latest updates.

K18 Hair Sale Calendar 2026

Quick Monthly Sales Summary

For quick reference, here is the simplified version of the calendar below:

Always-On PerksAll Month
Always-On PerksAll Month
Always-On PerksAll Month
Always-On PerksAll Month
Always-On PerksAll Month
Summer Promo PrecedentLate June
Prime Day CampaignMid-July
Always-On PerksAll Month
Always-On PerksAll Month
Always-On PerksAll Month
Black Friday & Cyber MondayLate November
Cyber ExtensionThrough Early December
Always-On PerksMid to Late December
VIEW OFFERS

January

Always-On Perks
All Month
Get free standard shipping and two free samples on orders over $50. Save 15% when you subscribe.
GlobalUSSubscribe & Save
VIEW OFFERS
🧴

February

Always-On Perks
All Month
Standard site offers apply. You get free shipping and free samples on $50+ orders.
GlobalUS
VIEW OFFERS
💧

March

Always-On Perks
All Month
Lock in 15% off with Subscribe & Save. Includes free shipping on $50+.
GlobalUSSubscribe & Save
VIEW OFFERS
🌿

April

Always-On Perks
All Month
Standard sitewide perks. Free samples and free shipping activate at $50.
GlobalUS
VIEW OFFERS
☀️

May

Always-On Perks
All Month
No confirmed Memorial Day events. Enjoy the standard shipping and sample benefits.
GlobalUS
VIEW OFFERS
🕶️

June

Summer Promo Precedent
Late June
Past years show late-June gifts. In 2025, shoppers got a free Airwash mini and keychain on $100+ purchases.
USGlobal
VIEW OFFERS
📦

July

Prime Day Campaign
Mid-July
The official site runs a Prime Day collection page. Timing aligns exactly with Amazon's official event dates.
USPrime
VIEW OFFERS
✂️

August

Always-On Perks
All Month
Standard site offers apply. Subscribe for a flat 15% discount on auto-deliveries.
GlobalUSSubscribe & Save
VIEW OFFERS
🍂

September

Always-On Perks
All Month
No confirmed Labor Day deals. You get free shipping and samples on $50+.
GlobalUS
VIEW OFFERS
🎃

October

Always-On Perks
All Month
Pre-holiday standard perks. Includes 15% off subscriptions and free shipping at $50.
GlobalUSSubscribe & Save
VIEW OFFERS
🖤

November

Black Friday & Cyber Monday
Late November
The biggest confirmed event of the year. Past deals offered 25% off shampoos and conditioners via Buy with Prime.
USPrime
VIEW OFFERS
❄️

December

Cyber Extension
Through Early December
Cyber deals usually run through December 8. Offers align with Black Friday discounts.
USPrime
Always-On Perks
Mid to Late December
Standard site perks resume for late holiday shopping.
GlobalUS

Reference Guide

Offer Categories
Always-On Perks
Promo Precedents
Campaign Signals
Major Events
Availability Tags
US: United States primary market
Global: Available on international storefronts
Prime: Exclusive to Buy with Prime checkout
Subscribe: Auto-delivery discount
Disclosure: This post may contain affiliate links. We earn commissions from purchases at no extra cost to you.

K18 Hair Sales FAQ

1

Does K18 Hair ever go on sale?

Yes, but major markdowns happen rarely. Their only confirmed annual event is Black Friday through Cyber Monday. Beyond that, they occasionally run limited-time promotions featuring gifts with purchase.

2

When is the absolute best time to buy?

Late November is the prime window. Past Black Friday events featured 25% off shampoos and conditioners, and those deals extended into early December. That's the deepest verified discount they offer. Summer occasionally brings a gift-with-purchase promo if you aren't rushing to buy.

Tip: Amazon's Buy with Prime checkout sometimes unlocks these specific Black Friday offers directly on K18's official website.
3

Do they offer free shipping?

Yes. US shoppers get free standard shipping on orders of $50 or more. This is a permanent, always-on perk requiring no special event. International storefronts manage their own distinct shipping rules and minimums.

4

How does the Subscribe & Save program work?

You pick a product, choose your delivery frequency, and automatically get 15% off every order. You don't have to wait for a seasonal event. You can easily pause, change, or cancel shipments through your account portal at any time.

5

Can I stack a sitewide discount with my subscription?

No, K18 doesn't allow stacking. You can't apply promotional discounts to subscription orders. The 15% auto-delivery savings is a standalone deal. If you want to use a holiday discount, you must place a separate one-time order.

6

Do orders include free samples or gifts?

Yes. US orders of $50 or more automatically come with two free samples. During promotional windows, the threshold increases to $100+ and the rewards get much bigger. For instance, past summer promos included a free Airwash mini and a branded keychain.

7

Is there a student discount available?

Yes, US students get exclusive pricing. K18 uses SheerID to verify your college enrollment. Once approved, you receive a single-use discount applied directly at checkout on their official site.

Tip: Verification happens almost instantly. Have your school details ready before checking out.
8

Are K18 deals available on Amazon?

Sometimes. K18 utilizes a Buy with Prime channel on their official site, tying past Black Friday markdowns directly to that checkout method. They also host an official Prime Day collection page. Otherwise, standard Amazon pricing closely mirrors the direct website.

9

Can I save money by purchasing product bundles?

Absolutely. K18 sells curated sets and holiday kits bundling multiple items together. Buying these pre-packaged sets costs less than purchasing each treatment or shampoo individually.

10

Do international shoppers get the same deals?

Not always. K18 redirects non-US shoppers to official partner sites or local storefronts across Canada, the UK, Australia, and Europe. Each region manages its own pricing and independent promotions. The exact deals you see depend entirely on your location.