Vichy is offering a free sample of its Dercos Anti-Dandruff Shampoo in Canada through a Sampler campaign. To claim this freebie, interested individuals need to visit the campaign page on Sampler, log in to their account, answer a few qualifying questions, and, if eligible, proceed to have the sample shipped to them. This shampoo is designed to combat dandruff and soothe itchy scalps​ 

A dandruff-fighting shampoo with a deep cleansing formula for normal to oily hair. Acts on visible dandruff from the first use, with a 6-week anti-dandruff action for long-lasting control and comfort.