Find out what actually works.
Evidence from research, rated simply — and always inspectable.
Hair Loss
Explore the evidence
Topical medication
Minoxidil
WORKS Very strong evidence grade
86 /100 Effectiveness
7.8 /10 User score
Oral medication
Finasteride
WORKS Very strong evidence grade
90 /100 Effectiveness
7.2 /10 User score
Oral medication
Dutasteride
LIKELY WORKS Strong evidence grade
88 /100 Effectiveness
7.0 /10 User score
Procedure / device
Microneedling
LIKELY WORKS Strong evidence grade
68 /100 Effectiveness
7.4 /10 User score
Procedure
PRP (Platelet-Rich Plasma)
LIKELY WORKS Strong evidence grade
66 /100 Effectiveness
6.9 /10 User score
Device
Low-Level Laser Therapy
LIKELY WORKS Strong evidence grade
60 /100 Effectiveness
6.8 /10 User score
Topical (medicated shampoo)
Ketoconazole shampoo
MIXED EVIDENCE Moderate evidence grade
48 /100 Effectiveness
6.5 /10 User score
Topical (natural product)
Rosemary oil
MIXED EVIDENCE Limited evidence grade
45 /100 Effectiveness
6.2 /10 User score
How ProofCritic works
Research
Studies from scientific databases are indexed and structured.
Evaluate
Evidence, safety and real-world experience assessed separately.
Verdict
A rating you can understand — and inspect underneath.
More categories coming
Skin
Acne, ageing, pigmentation and barrier repair treatments.
Coming soonDental
Whitening, sensitivity, gum health and oral care.
Coming soonSleep
Falling asleep faster, staying asleep and sleep quality.
Coming soonSupplements
Vitamins, minerals and popular supplement claims.
Coming soonFitness
Training methods, recovery aids and performance claims.
Coming soon Evidence strength ≠ effectiveness User sentiment stays separate Every rating will link to sources Read our methodology →