Let's be real. There's a high chance of you doing your own hair and the choices you make can be damaging. Protect your hair with what a professional would use and suggest you use it too.
Bonds can be weakened over time for multiple reasons: 1) chemical alterations, 2) immoderate amounts of heat, 3) weakened elasticity. Choosing a product that actually does what it is supposed to should put up a good fight against the damage.
Damaged hair becomes brittle and breaks easily. Your hair might look dull and dry, and the appearance of split ends is more noticeable. Signs of damage include brittle, split ends, dryness/dullness, breakage, tangles/knots, texture change.
Treat Your Damaged Hair
Use quality shampoos and conditioners to enhance the effects of the treatment.
Apply a weekly deep conditioning mask to your hair for at least 20 to 30 minutes helps to moisturize and create smoothness by sealing the hair cuticles.
Lessen the amounts of heat applied to hair.
Go to specialists for chemical services (color, relaxers, etc.)