Which factor is least likely to trigger acne?

Consistent hydration is least likely to trigger acne because it plays a supportive role in maintaining skin health rather than contributing to acne formation. Proper hydration helps to keep the skin balanced and can assist in regulating oil production. When the skin is well-hydrated, it can function optimally, reducing the likelihood of clogged pores, which are a primary factor in acne development.

On the other hand, stress can lead to hormonal changes that may increase oil production and trigger breakouts. Overactive sebaceous glands directly produce excess oil, which can contribute to acne by clogging pores. Bacterial inflammation arises when bacteria on the skin proliferate in blocked pores, leading to redness, swelling, and further acne formation. Thus, consistent hydration stands apart as a factor that does not promote the conditions necessary for acne, making it the least likely to trigger this skin issue.