Longer, Thicker, Bouncier Hair In Just One Month! Hair Plus Shampoo helps stimulate hair growth, while making hair more manageable, thicker and anti-static! Real Results... Clinical tests show that when using Hair Plus, the average increase of hair growth over a 28 day period is over 105%. Hair Plus Shampoo gently cleans hair and supplies proteins that protect hair and the shaft. It strengthens, helps retain moisture, prevents dryness and breakage, improves gloss, texture, manageability and adds body.