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55 articles
The Science of Whitening Strips: Enamel Erosion, Collagen Destruction, DNA Damage, and What Actually Works Without the Trade-Off - Health & Wellness article featured image on Elyvora US
Original Research
Health & Wellness32 studies cited

The Science of Whitening Strips: Enamel Erosion, Collagen Destruction, DNA Damage, and What Actually Works Without the Trade-Off

Clinical studies document what whitening strip marketing doesn't mention: 6% enamel microhardness loss per OTC cycle, collagen protein fragmentation at drugstore concentrations (Keenan 2019), and elevated 8-OHdG oxidative DNA damage markers in 113 subjects using 10% HP strips (PMID:30430338). The same concentration requiring dentist supervision in the EU sits on CVS shelves in America — a $8.93B industry classified as "cosmetic" with no pre-market approval. Meanwhile, PAP achieves 8.13 shade units with 0% sensitivity through non-radical oxidation, and papain enzymes remove 66.99% of stains with zero cytotoxicity. The whitening works. The question is whether free radical chemistry is the only way to get there. 32 peer-reviewed studies synthesized.

Mar 31, 2026
24 min read
59 views
The Science of Chewing Gum: Undisclosed Plastics, Banned Additives, and What That 'Clean Teeth' Feeling Actually Is - Health & Wellness article featured image on Elyvora US
Original Research
Health & Wellness25 studies cited

The Science of Chewing Gum: Undisclosed Plastics, Banned Additives, and What That 'Clean Teeth' Feeling Actually Is

Gum marketing says "cleans teeth" — but peer-reviewed plaque studies show the benefit is limited to chewing surfaces only (44% reduction), with zero effect on the smooth and interdental surfaces where most decay starts. That minty "clean" feeling? It's menthol binding to TRPM8 cold receptors — a genuine neurological cold signal that doesn't correspond to actual cleaning. Meanwhile, "gum base" is a legal umbrella hiding up to 46 FDA-permitted ingredients — including polyvinyl acetate and polyethylene — none requiring individual disclosure. A 2025 pilot study found 100-637 microplastic particles per gram of chewed gum. Three common additives face international action: TiO2 (banned in EU food 2022), aspartame (IARC Group 2B 2023), BHT (FDA review 2026). For 200,000 years humans chewed plant resins with antimicrobial properties — until the 1960s, when supply chain economics replaced chicle with petroleum polymers. 25 peer-reviewed studies synthesized.

Mar 30, 2026
22 min read
74 views