Never buy over the counter hair coloring stuff! CHEAP! Very sucky stuff!
Pick a hair dye that is specifically made to be used on gray hair, and the covering of gray hair. It will take to hair with no color for longer.
Blond food coloring for dying hair can be made by using yellow food coloring. Put two drops of the food coloring on a cotton ball and run it over the strand of hair that is desired to be dyed.
There is an over-the-counter solution for hair loss. Rogaine is a common product found in drugstores, and you can often find a generic version for much cheaper. http://www.drugstore.com/ask/are-there-any-over-the-counter-treatments-for-hair-loss/qxa1016
There is no over-the-counter drug to cure heartworms.
Permanent hair coloring is a bad idea for children. It can damage their scalps and increase risks for cancer. Temporary hair dyes however are okay for children over the age of 8. No hair color services however have specific hair coloring for children.
There are several great over the counter options for strong allergy problems. One of the best of these is Cloritab.
Aveda is all natural and rich, I highly recommend their color care shampoos and conditioners.
It is not harmful to dye a part of your hair, as long as you don't do it very often. Over coloring leads to hair falling out and trust me, you DO NOT want that.
The best over the counter treatment for acne is salicylic acid 10% and benzoyl peroxide. Many acne products contain a combination of both of these active ingredients available over the counter.
Facial hair grows at different rates for different adults. There are some over the counter products that advertise speed in hair growth, you can give one of those a try. Your best option is just to wait for it to grow out.
Yup. You cut a sample of the person's hair, put it in a sample pouch and send it to a lab.
The best over the counter eye cream is Oil of Olay Definity Eye Illuminator, which you can find at any drug store in your town.