Here's why:
* Hormone absorption: The hormones in birth control pills (typically estrogen and progestin) are designed to be absorbed into the bloodstream. It's unlikely that they would be effectively absorbed through the scalp in sufficient quantities to affect hair growth when applied topically.
* Lack of clinical studies: No reputable scientific studies have shown that birth control pills applied topically to the scalp promote hair growth.
* Potential risks: Crushing pills and mixing them with shampoo could alter the chemical composition of both the pills and the shampoo, potentially leading to skin irritation or other adverse reactions.
Important Note: Hair loss and hair growth are complex processes influenced by genetics, hormones, nutrition, and overall health. If you're experiencing hair loss, it's best to consult a dermatologist or healthcare professional to determine the underlying cause and explore evidence-based treatment options.