Observed arrival · 2026-09-04
Northline Hair Care Puts a Weight Number on Every Serum
A hair-care shop classifies serums and styling products on a 0-to-5 scale for how much they weigh down different hair types.
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Field notes
The site uses a five-point weight scale as its central catalog and recommendation mechanism, distinguishing what fine, medium, thick, and curly or coily hair can typically carry. Its guidance includes application constraints, such as keeping weight-2-or-lower products off fine-hair roots and applying rich products to soaking-wet curly hair in sections. Featured listings show product codes, weight ratings, prices, and a routine capped at weight 1.
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○OpenPublic substance visible
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✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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