There are many different causes for recurrent vaginal yeast infections. Dr. Wolff's V-san Intimate Wash Lotion alone cannot prevent yeast infections. But since one of the possible factors that contribute towards vaginal yeast infections is insufficient intimate hygiene, the regular use of Dr. Wolff's V-san Intimate Wash Lotion can support your body’s natural defences. Many users report that they develop yeast infections less frequently since using Dr. Wolff's V-san Intimate Wash Lotion.