Why Besan and Ubtan Clean Your Skin by Scrubbing, Not by Dissolving Oil

Soap works because one end of its molecule is attracted to water and the other end is attracted to oil. That chemical bridge lifts sebum off the skin and carries it down the drain. Besan and ubtan do not work this way at all. They have no surfactant action worth measuring. What they have instead is texture, and texture, applied with a little water and a circular hand, is a different kind of clean.




Besan is finely milled chickpea flour. Under a microscope it is a mass of starch granules, each one irregular and angular rather than smooth. When you mix besan with water or milk, those granules stay largely intact, they do not dissolve the way salt dissolves, and they do not emulsify the way a detergent does. What you get is a paste of suspended particles that, when rubbed against skin, drag across the surface.


That dragging action is physical exfoliation. The granules catch on the uppermost layer of dead corneocytes, the flattened, protein-rich cells that sit on top of living skin, and dislodge them. Sebum, dust, and residue trapped between those cells come away with them. The skin feels smoother afterwards not because oil has been dissolved but because a layer of old surface cells has been mechanically removed.




Traditional ubtan is not a single ingredient. It is a mixture, and the exact combination varies by region and by occasion, a bridal ubtan in Punjab looks different from the one used in a Rajasthani household for a child's bath. But most versions share a structural logic: a flour base, usually besan or wheat flour or both, combined with one or more of the following, turmeric, sandalwood powder, dried rose petals, raw milk, curd, or mustard oil.

Each addition changes the texture or the chemistry slightly, but none of them adds surfactant action. Turmeric is a pigment and an antimicrobial; it does not lift oil. Sandalwood powder adds finer abrasive particles. Curd contributes lactic acid, a mild alpha hydroxy acid that softens the bonds between dead skin cells and makes the mechanical removal slightly easier, a chemical assist to a physical process, not a replacement for it. Raw milk adds fat and protein that leave a film on the skin as the paste is rinsed away, which is why ubtan-washed skin often feels less tight than soap-washed skin.



Physical exfoliation has an upper limit that chemical exfoliation does not. A surfactant or an acid can be formulated to a precise strength, and its action stops when it is rinsed away. An abrasive keeps working for as long as you keep rubbing, which means the risk of over-exfoliation is entirely in the hands of the person using it, literally.

The outer skin barrier, the stratum corneum, is roughly fifteen to twenty cell layers thick. You are meant to remove the topmost one or two, the cells that have already finished their job. If you scrub hard or scrub daily with a coarse paste, you take off more than that. The result is redness, sensitivity, and a barrier that cannot hold water as efficiently as it should. Skin that feels raw after an ubtan session, or that stings when moisturiser is applied, has been over-exfoliated.

Besan and ubtan are generally mild enough that this takes real effort to achieve, the granules are not as sharp as a salt or sugar scrub, but the mechanism is the same, and the ceiling is real.



Because neither besan nor ubtan has meaningful surfactant action, they are poor at removing certain things. Silicone-based products, heavy mineral sunscreens, and waterproof makeup are designed to resist water and require an oil-based or surfactant-based cleanser to shift. Using ubtan over a full face of sunscreen will remove dead skin cells and leave the sunscreen largely in place.

This is not a flaw in the tradition. These ingredients were developed for skin that was not wearing SPF50 or a silicone primer. The mismatch is between the ingredient and the modern layering routine, not between the ingredient and the skin itself. Used on skin that has already had its sunscreen or makeup removed with an appropriate first cleanser, besan and ubtan do exactly what they have always done.

Consistency of the paste matters more than most people realise. A thick, dry paste is more abrasive than a thin, wet one. Mixing besan with enough liquid to make it pourable rather than spreadable reduces the mechanical force per granule and makes the margin of safety wider. For skin that is already sensitive or has an impaired barrier, visible flaking, persistent redness, a tendency to sting, a thinner paste used once a week is more useful than a thick one used every day.

The rubbing motion should be light and circular, not the kind of pressure you would use to scrub a pan. The paste does the work; pressure is not what makes it more effective. Rinsing with cool or lukewarm water rather than hot water helps, because hot water temporarily dilates surface capillaries and makes recently exfoliated skin flush more easily.

Besan and ubtan clean because they move across the skin and take debris with them. That is a simple mechanism, and it has worked reliably for a long time. Knowing where its logic ends is what keeps it working.


Unlock insightful tips and inspiration on personal growth, productivity, and well-being. Stay motivated and updated with the latest at My Life XP.