After 39 years behind the chair, Tess Petrie has seen how hair really behaves. Here is what those years taught her about hair health, and why she built Hair Formula.
Hair is a quiet messenger. Because it sits low on your body's list of priorities, it is often one of the first places to reflect a shortfall in nutrition, sometimes before you notice anything elsew...
Hair changes as we move through life, and that is normal. Here is what tends to shift for hair after 40, and how to support it through the change.
Hair grows in phases, not in a straight line. Here is how the hair growth cycle works, why shedding is normal, and why real change is always a slow burn.
Hair is built from what you eat. Here is what your hair needs from your diet, the nutrients that matter most, and where most people miss the mark.