The Good: Pyrethrins, for the most part, do seem to be relatively safe for most pets, though dosage is still the key. Many on-line sites list pyrethrins as being safe for cats, and as far as we can tell, used judiciously, they are not too much more toxic for cats than they are for dogs.
Yes: Razor bumps will usually go away when you stop shaving. There are a few things you can do to prevent them in the future. Shave in the shower so the heat can soften the hair, and use a shaving gel. Always use a brand new razor, and shave in the direction that your hair grows. Moisturize after shaving.
Q1 ) Will hair bumps and razor bumps be gone? This is one of the great beneficial side effects of laser hair removal. Reduction of hair bumps and ingrown hairs will be markedly noticeable even after your first session. We have seen this on all body parts including face, neck, bikini line, legs, backs and underarms. Top.