1. as hair loss and thinning is the major concern in your case, it is possible that you are doing too much with your hair like: irregular trimming, excess shampooing, weaving, coloring, too much dry heat (blow dryers), manual
stress (physical trauma)? so preventive aspect which can be followed is/are:
i. Avoid too much exposure to sun.
ii. Avoid high extremes of temperature such as used in hair straightening devices.
iii. After bath make sure you avoid vigorous toweling of hair, let them dry naturally.
iv. Make less choice for synthetic hair oils, hair coloring, bleaching, styling and use of dry blowers.
v. Avoid excessive exposure to sun, heat, wind, dust, anger, stress,
anxiety,
vi. Avoid oily, fried, spicy, hot, fermented and stale food.
vii.
Proteins are essential for
antibodies production so milk, egg (white), beans, yogurt, soymilk, pumpkin, squash,watermelon,peanuts,almonds, if non-vegetarian (meat) are choices
viii. mango, carrots, cantaloupe, egg yolk,apricots,pumpkin,papaya, are ideal
ix. Vitamin C: is needed for proper functioning of immune system: amla is good option.
x. Vitamin E: is a powerful anti oxidant thus peanuts, dried apricots, cooked spinach taro root can be taken
xi. Soap nut (reetha) and shikakai along with Bhringraj and Neelini oil acts as natural conditioner and dye, you can use it safely.