Number 4 Review
Based on online research and 9 Number 4 reviews, Number 4's overall score is 3.9 out of 5 stars. Number 4's review score is based on Number 4's customer ratings, its brand popularity, its price competitiveness, as well as the breadth and quality of features it offers to customers. The Number 4 review table below incorporates summarizes 9 Number 4 ratings on 1 features. You can also compare Number 4 against popular alternatives like Great Clips, BondiBoost and Nutrafol. Or you can view the top 50 brands in similar categories, such as beauty services and hair care solutions.
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Number 4 Review: Number 4 Pros & Cons
Number 4 (number4hair.com) is a well-known hair care brand which competes against other hair product solutions like Great Clips, BondiBoost, Nutrafol, Supercuts and Aveda. Based on our in-depth Number 4 review, when compared to its competitors, Number 4 is a mid-range performing brand within its category. Read the full Number4hair.com review below for more details.
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- Products made in USA: Are each brand products made in the USA? Does each solution manufacture their products in the United States?
- Cruelty-free products: Are products sold at each brand cruelty free? Does each solution sell cruelty-free products?
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Knoji has 9 Number 4 reviews and ratings as of August 11, 2026. Knoji editors and the Knoji shopper community have reviewed Number 4 and compared it against 10,773 top hair care brands, reviewing Number 4 based on product and store features. Knoji reviews and ranks Number4hair.com and other hair care solutions based on how many features each offers and based on a 5-star rating scale. Based on these factors and 9 Number 4 reviews, Number 4 earns an overall score of 3.9 out of 5.0 points. Number 4 offers 1 total feature. Number 4's review score also factors in its popularity, which is in the mid-range compared to competing .
Number 4 currently has 1 active discount codes. You can view all Number 4's coupon codes here
