All Natural Plant-Based Soap Bars

What makes these soap bars all natural? They are made without synthetic ingredients.
They are scented with pure essential oils and any color used is naturally derived from plants or clay.
Hemp & Shea - All Natural Unscented Soap Bar made with 25% Shea Butter
$9.95
Beer & Hemp Milk All Natural Plant-Based Soap Bar
$12.95
All Natural Lavender Soap Bar | Plant Based | Made of 25% Shea Butter
$10.95
Pink Grapefruit & Calendula with Quinoa Milk Plant-Based Soap Bar
$10.95