K18 Damage Shield pH Protective Shampoo Dupes & Cheaper Alternatives
From 11 Reddit threads · Updated November 7, 2026
Peptide shampoo smooths cuticles, softens damaged hair, and helps curls hold; buildup risk. The catch: several users reported noticeably increased hair shedding. Here's what Redditors reach for instead.
The original, at a glance
- Why people love it
- SH-Oligopeptide-78 and panthenol leave damaged hair softer and less breakage-prone
No alternatives found for this product. This can happen when a product has no shared concern or skin type tags with other products in the same category.
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