🔍 The hair loss industry often uses deceptive marketing tactics and flawed clinical studies to sell their products.
🚫 Legal regulations and protections that exist for cancer treatments are lacking in the hair loss industry.
🔬 Consumers lack knowledge on how to evaluate evidence quality in hair loss studies and make informed treatment decisions.
Mechanistic studies are often poor predictors of what will happen in humans due to differences in biology and dosages.
Observational research provides signals for further exploration, but it does not prove causality.
Companies often misuse observational data to sell hair growth products without proper evidence.
🔑 Observational studies suggest no link between dairy consumption and changes in testosterone levels, and consuming full fat dairy may actually decrease testosterone levels in men.
🔑 Interventional studies are the most reliable type of research for selecting hair loss treatments, as they observe the effects of treatments on people over time.
🔑 The hierarchy of evidence ranks study types, with Interventional studies being the most reliable, petri dish and animal studies being the least reliable, and observational studies sitting in the middle.
✨ Randomization, blinding, and control groups are essential criteria in conducting hair loss research.
💡 Randomization helps eliminate bias, blinding prevents placebo effects, and control groups allow comparison with alternative treatments.
🔄 The seasonality of the hair cycle can impact study results, making control groups vital in hair loss research.
💡 Hair loss industry relies heavily on manipulated study outcomes.
⚙️ Importance of well-designed interventional studies for hair loss treatments.
🔬 Manipulation of study participants to achieve desired outcomes.
⏰ Hair growth is a long process that requires multiple hair cycles and shedding for regeneration.
🔬 Short study durations and subjective endpoints used by some companies lead to misleading claims about hair loss treatments.
📈 Objective measurements like phototrichogram and accurate presentation of results are necessary for reliable assessment of treatment efficacy.
🔍 The hair loss industry lacks reliable evidence to support the effectiveness of many products.
⚠️ Lower-priced hair loss products with reduced laser diode count or power may be ineffective.
⛔ The FDA has little regulatory authority over over-the-counter hair loss products.