Who makes K18? Amazon sales, products and sellers
Updated November 2026 with September 2026 data
At a glance
- Size
- Large
- $1.7M est./mo
- Trend
- Declining
- -47%, last 2 vs prior 2 months
- Ratings
- Strong
- 4.4 ★ · 15,370 reviews
- Who sells it
- Mostly one seller
- Top seller has 100% of units
K18 estimated monthly revenue on Amazon
Our read on K18
K18 ranks 4 of 41 brands in Dry Shampoos within Beauty & Personal Care, with an estimated 10% share of the category's revenue. Its estimated revenue in September 2026 was $1.7M on 53,000 units, down from $4.1M in June 2026, a change of -58% since the first month. Over the latest 2 months the trend is labeled Declining at -47%. The brand has 10 products selling, and the top one, the AirWash Travel Non Aerosol Dry Shampoo Spray, accounts for 28,000 units per month. The average rating is 4.4 across 15,370 reviews. One seller, K18 Hair, handles 100% of units. This view covers 4 months of data, so it shows a short window rather than a long-term pattern.
Top K18 products on Amazon
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| Product | Rating | Est. units/mo | Amazon link |
|---|---|---|---|
| K18 AirWash Travel Non Aerosol Dry Shampoo Spray | 4.4 ★2,419 reviews | 28,000 | Check price on Amazon |
| K18 Molecular Repair Hair Oil, 0.34 Fl Oz | 4.3 ★1,438 reviews | 6,900 | Check price on Amazon |
| K18 TripleBright Oxidation Defense Purple Shampoo | 4.5 ★699 reviews | 4,500 | Check price on Amazon |
| K18 Damage Shield Shampoo and Conditioner Set | 4.6 ★503 reviews | 3,600 | Check price on Amazon |
| K18 Damage Shield Color Safe Shampoo | 4.5 ★1,713 reviews | 2,700 | Check price on Amazon |
| K18 Molecular Repair Hair Oil, 1 Fl Oz | 4.5 ★1,689 reviews | 2,500 | Check price on Amazon |
| K18 AirWash Non Aerosol Dry Shampoo Spray | 4.4 ★2,373 reviews | 1,800 | Check price on Amazon |
| K18 Damage Shield Protective Conditioner for Damaged Hair | 4.5 ★1,811 reviews | 1,800 | Check price on Amazon |
| K18 Peptide Prep Detox Shampoo, 16 Fl Oz | 4.6 ★2,725 reviews | 240 | Check price on Amazon |
Who sells K18
- K18 Hair100%
Share of estimated units sold in September 2026, by the seller holding the Buy Box.
Place in its category
#4 of 41
Rank 4 of 41 brands in Dry Shampoos by estimated revenue in September 2026, with 10% of the category.
Frequently asked questions
Who makes K18?
K18 is the brand name on 10 products we tracked on Amazon in September 2026 mostly in Dry Shampoos (Beauty & Personal Care). The largest seller of K18 products that month was K18 Hair, with 100% of estimated units. Amazon listings don't show the brand owner's legal name, so the brand's own website is the place to confirm its parent company.
How much does K18 sell on Amazon?
K18 sold an estimated $1.7M on Amazon in September 2026, about 53,000 units. That is -58% compared with June 2026. These are Ecominsights estimates, not figures reported by the brand.
What are K18's best-selling products on Amazon?
By estimated units sold in September 2026: 1. K18 AirWash Travel Non Aerosol Dry Shampoo Spray (about 28,000 units); 2. K18 Molecular Repair Hair Oil, 0.34 Fl Oz (about 6,900 units); 3. K18 TripleBright Oxidation Defense Purple Shampoo (about 4,500 units).