natural deodorant

1. Introduction Sore and tender armpits after applying natural deodorant are almost always the result of irritant contact dermatitis caused by high concentrations of baking soda or essential oils. These active ingredients disrupt the acid mantle of the skin and create a highly alkaline, abrasive environment that inflames the delicate axillary tissue. The transition from … Read more

1. Introduction A painful red rash in the armpits after using natural deodorant is primarily caused by irritant contact dermatitis from alkaline ingredients like baking soda, or allergic contact dermatitis from botanical essential oils. The delicate, folded skin of the axilla traps these caustic substances and ambient moisture, leading to epidermal barrier breakdown and pronounced … Read more