Skin, hair & teeth

Hair regrowth, skin serums and enamel.

10 pages, each grading the claims by what the studies found. How we grade.

Devices & gearDoes Red Light Therapy Work? Every Claim, GradedRed and near-infrared light therapy, graded by the trials: knee arthritis, laser acupuncture, skin and collagen — and why a gadget from an ad is different.Devices & gearRed Light Therapy After Surgery: Does It Help You Heal?Light therapy on surgical incisions and wounds, graded by the trials — and why a home device after foot surgery is a different question.Devices & gearRed Light Therapy for Tinnitus: What the Trials FoundLaser and red light in the ear for ringing in the ears, graded by the trials — including two double-blind trials that found no effect.Treatments & topicalsHair Loss Treatments, Graded: What Actually Regrows HairMinoxidil, finasteride, laser caps, and the serums in the ads — procyanidin, adenosine, caffeine, copper peptides, rosemary, biotin — graded by the trials.Treatments & topicalsHydroxyapatite Tooth Serum (Dentite): Can It Strengthen Enamel? GradedA fluoride-free hydroxyapatite toothpaste matched fluoride in one adult trial. The night-time enamel serum in Dentite’s ad has no study.Treatments & topicalsLIVFRESH Dental Gel: “40+ Clinical Studies” CheckedLIVFRESH says 40+ clinical studies back it. We found seven small trials of its EDTA gel, all from one lab, each against another toothpaste.SupplementsEggshell Membrane for Skin (Xtendlife Derma Lift)Two placebo-controlled trials of other eggshell-membrane brands reported better skin. We found no study of Derma Lift or its OVOLUX ingredient.Treatments & topicalsEighth Day Regenerative Serum (“Peptide-rich Plasma”)Eighth Day says its serum addresses 10 visible signs of skin aging. We found no study of the serum or of its Peptide-rich Plasma ingredient.Treatments & topicalsChilcuague (Heliopsis longipes) Healing SprayChilcuague’s main compound eased pain responses in mice and slowed microbes in a dish. We found no study in people.Devices & gearInfraBeam Red Light Pen: The Ad’s Claims, CheckedA Facebook ad calls the InfraBeam pen “NASA’s Arthritis Pain-Erasing Miracle Pen”. Each claim in the ad, set beside the research and the FDA database.