This page exists because of a gap you can state precisely. Every product listing in the beauty industry describes shade, finish, coverage and ingredients. Almost none describes how the container opens, how much force the pump needs, whether the barrel can be held in a fist rather than pinched, or whether the thing can be used with one hand. For anyone whose finger joints are sore, stiff or weak, those are the facts that decide whether a product gets used or sits in a drawer.
They are also easy facts to establish. A cap either pulls off or twists. A pump either has a broad flat top you can press with the heel of your hand or a small one that needs a fingertip. A tube either dispenses under light pressure or needs a real squeeze that increases as the contents go down. A stick either has a barrel wide enough to grip in a loose fist or a slim one that requires a pinch between thumb and forefinger. Nobody writes this down, so this site writes it down on every product page, under How it handles.
The patterns that emerge are consistent. Sticks and compacts are the easiest base formats — no dispensing step at all, nothing to pour, nothing to spill, and both work one-handed. Pumps beat everything liquid, because one flat press delivers a measured dose. Droppers are the hardest common format, because squeezing a bulb is precisely the pinch grip arthritis makes difficult. Squeeze tubes get worse over time, which is a particular frustration: the product works fine for the first half and then becomes a two-handed struggle.
On tools, the same logic gives a clear answer. A sponge held in the palm needs no grip strength at all — it is the single most accessible makeup tool there is, and it also happens to be the best tool for mature skin because pressing beats dragging. Brushes vary enormously: a flat broad handle rests against the fingers, while the thin tapered handle that most brushes use is the worst possible shape for a weak pinch.
One boundary, stated plainly because it matters. Arthritis is a medical condition, this is a makeup site, and nothing here treats, manages or advises on it. What this page does is describe how products are physically built so you can decide what works for your own hands. If pain or stiffness is changing, that is a conversation with a doctor — the general advice on protecting joints during daily tasks also comes from arthritis organizations rather than from us, and CreakyJoints' practical guidance is a better source on that than any beauty publisher.