Most homeowners think about cleaning products in terms of whether they work. Does this remove the stain, cut the grease, leave the shower looking better than it did. That is a reasonable question and it misses a longer-term one, which is what the product is doing to the surface underneath.
Ask any flooring installer, stone fabricator, or cabinet refinisher and they will tell you the same thing: a meaningful share of the damage they get called to repair was caused by cleaning, not by wear.
Natural stone and acid
The most common and most expensive version of this involves natural stone. Marble, limestone, travertine, and some granites are calcium-based, which means acid etches them. Not stains them, etches them, removing material from the surface and leaving a dull spot that cannot be cleaned away because there is nothing left to clean.
Vinegar does this. Lemon juice does this. So do a surprising number of bathroom cleaners marketed for soap scum, which rely on acid because acid dissolves mineral deposits efficiently.
Homeowners who have etched a marble countertop usually did it with a product that was working exactly as designed. The product removed the hard water spots and took some of the stone with it.
The fix is pH-neutral cleaners on any calcium-based stone, which is less effective on heavy mineral buildup and considerably cheaper than refinishing a countertop.
Sealed hardwood and water
Hardwood floor damage from cleaning is almost always about water volume rather than chemistry. The finish is water-resistant, the seams between boards are not, and repeated wet mopping drives moisture into joints where it swells the wood and eventually lifts the finish.
Steam mops are the aggressive version of this problem. They are marketed as chemical-free, which is true, and they force hot vapor into exactly the places you do not want moisture. Most hardwood manufacturers void warranties for steam cleaning, which tells you something.
Damp, not wet. Microfiber rather than string mops. And whatever cleaner you use should evaporate rather than requiring a rinse.
Grout and bleach
Bleach whitens grout immediately and degrades it over time. It is alkaline and it breaks down the cement matrix, which is why grout cleaned regularly with bleach eventually becomes powdery and starts failing at the edges.
The failure is slow enough that nobody connects it to the cleaning. Five years of bleaching produces crumbling grout, the homeowner assumes the original installation was poor, and a tile contractor gets called to regrout a floor that would have been fine.
Oxygen-based cleaners work more slowly and do not attack the binder.
Stainless steel and abrasives
Stainless appliances have a grain, like wood, and a thin passive layer that resists corrosion. Abrasive cleaners and scouring pads scratch through both. The scratches trap residue, which makes the surface look dirtier, which encourages more scrubbing.
Once the passive layer is compromised in enough places, you start getting rust spots on a material most people believe cannot rust.
Soft cloth, with the grain, non-abrasive cleaner.
Why the product line matters more than any single product
The pattern across all of these is that the damaging product was chosen for a specific problem without regard to what it would do to the material.
Households accumulate cleaners this way. A stain appears, someone buys a product that handles that stain, and it joins the collection under the sink. Nobody evaluates the collection as a system, and within a few years the house has eight products from six manufacturers with wildly different chemistry, being used more or less interchangeably by whoever is cleaning that day.
This is how a bathroom cleaner intended for ceramic tile ends up on a marble vanity.
The households that avoid surface damage tend to be the ones that standardized. Fewer products, from a single line, with consistent chemistry, used for what they were designed for. It is less about any individual product being gentler and more about eliminating the scenario where someone grabs the wrong bottle.
Direct-shipment companies have an advantage here that is easy to overlook. Because they sell complete household ranges rather than competing for individual shelf placements, their products are generally formulated to work together. The wellness company approach of covering cleaning, laundry, and personal care from one catalog means the surface cleaner and the bathroom cleaner share a chemistry philosophy rather than being developed by competing manufacturers for competing price points.
The practical benefit is reduced risk of the wrong-bottle scenario, which is the actual source of most cleaning damage in homes.
Concentration and dilution errors
One more category of damage worth naming: using the right product at the wrong strength.
Concentrated cleaners that get used undiluted are considerably harsher than intended. This happens constantly, usually because someone is dealing with a stubborn problem and reasons that more product will work better.
It usually does work better, and it also exceeds what the surface was tested against.
Operations like a direct-shipment wellness company tend to lean on concentrated formulations because shipping water is expensive, which makes dilution instructions more consequential than they are for retail products that arrive ready to use. Worth reading them rather than estimating.
The short version
Before using any cleaner on a surface you care about, know two things: what the surface is made of, and whether the cleaner is acidic, alkaline, or neutral.
Natural stone needs neutral. Hardwood needs minimal water. Grout should not see bleach regularly. Stainless should never see an abrasive.
And standardizing your household on one coherent product line eliminates most of the remaining risk, because the damage almost never comes from the product you chose carefully. It comes from the one someone grabbed because it was there.

