Sensitive skin is a reason to read more, not a reason to hunt for the gentlest advertisement. Bare uses a short exclusion list.
Prefer named, boring ingredients
Look for products that name the material and whose lubricants list what is in them. Fragrance and warming or tingling additives are common irritants for some people. You do not have to prove that in advance. You can simply skip them.
Numbing agents are a particular no in Bare's method. If you cannot feel irritation, you cannot use irritation as a signal to stop.
Watch the first use, then stop early
Use less product than the occasion you imagine. If this is a lubricant, a small amount on intact skin, as the maker directs, tells you more than a full session that you then have to endure.
Wash with water afterward. If redness lasts, or if you have broken skin, swelling, or pain, stop and get clinical advice. Do not layer a 'soothing' product on top as an experiment.
Storage and wash cloths count
A clean material becomes less simple if it lives in a damp drawer or beside a scented soap you already react to. Dry it as instructed and keep it apart from unrelated cosmetics.
Shared towels and shared toys are easy ways to confuse a reaction with someone else's product. If you are trying to understand your skin, simplify the scene.
Irritation is a stop sign. Bare cannot diagnose contact allergy, infection, or a skin condition.
Continue with a smaller kit with fewer unknown labels or the safety and consent notes.