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Be sure to use some form of heat protectant (Polko likes the John Frieda’s Frizz Ease Daily Nourishment Leave-in Conditioner) when heat styling and to mask often.—Audrey Noble, Vogue, 30 May 2026 Bacteria may be able to help mass-produce a natural UV-protectant ingredient called gadusol that is found in many fish and marine organisms.—Devika Rao, TheWeek, 18 May 2026 Most popular hair serums at Sephora for $25-$30 This nourishing serum works as a protectant for heat styling.—Bestreviews, Mercury News, 14 Apr. 2026 The brand’s Glossing Detangler has a fan club of its own (more than 2,000 people bought this treatment in the past month alone), thanks to its shine-boosting, softening, and heat-protectant formula.—Annie Blackman, InStyle, 8 Apr. 2026 See All Example Sentences for protectant