Question

Can baking soda be used as a shampoo on a regular basis as to clean our scalp.

Answer 1

Many naturals have promoted baking soda, or sodium bicarbonate, as an ingredient that cleanses the hair as a shampoo and softens the hair as a conditioner.
Baking soda is in fact, a chemical, so to understand its effects on our hair, we need to understand its pH. If you think back to good ol’ high school chemistry, pH ranges from 0-14, acid to base (alkaline). If something is an acid, it has more hydrogen ions. If something is alkaline, it has more hydroxide ions. A neutral pH is 7.0-the pH of distilled water.
A common example of an acid is lemon juice, with a pH of 2 or 3. Sodium hydroxide, the chemical used in lye relaxers for hair, is extremely alkaline with a pH of 14 (yikes!).