Clothing labels display pictograms governed by the international standard ISO 3758, managed by the organization GINETEX. These laundry symbols on a washing machine are divided into five families, each associated with a specific geometric shape: tub, triangle, square, iron, circle. Mastering this visual grammar prevents textile accidents and extends the lifespan of the laundry.
Machine pictograms and label pictograms: two distinct systems
A common confusion is to believe that the symbols displayed on the washing machine’s control panel correspond to the care pictograms printed on the garment label. These are two separate references.
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The textile care symbols (tub, triangle, square, iron, circle) are standardized by ISO 3758. They indicate what the fabric can withstand, regardless of the brand of the machine.
The program pictograms on washing machines (spiral for spinning, snowflake for the cold cycle, leaf for eco mode) vary from one manufacturer to another. Samsung, LG, Bosch, or Beko each use their own designs, with only an approximate common logic. No ISO standard governs the machine icons, which explains the discrepancies between what the label recommends and what the device’s interface offers.
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To properly understand the laundry symbols on a washing machine, one must first read the garment label, then translate that information by selecting the appropriate program on their device.
Five basic shapes of textile care symbols
All the logic is based on five geometric shapes. Each shape corresponds to a care operation, and the variants (dots, lines, crosses) specify the permitted conditions.
- The tub (bucket shape) indicates washing. A number inside indicates the maximum temperature in degrees Celsius. A hand in the tub means hand wash only. A barred tub prohibits any washing with water.
- The triangle concerns bleaching. Empty, it allows all bleaching agents. Two diagonal lines inside limit it to oxygen bleaching. Barred, it prohibits any bleaching.
- The square represents drying. A circle inside the square means tumble drying (dryer). Vertical or horizontal lines indicate natural drying by hanging or lying flat.
- The iron governs ironing. The dots inside specify the maximum soleplate temperature.
- The circle alone concerns professional cleaning (dry cleaning). The letters inside (P, F, W) indicate the type of solvent allowed.
The role of lines under the tub
A horizontal line under the tub indicates a moderate cycle (synthetic or delicate program on most machines). Two lines impose a very delicate cycle, often reserved for wool or silk.
The absence of a line means that the normal program is suitable. This detail is often overlooked, yet it conditions the spin speed and drum agitation.
The dots: a universal temperature code
The dot system works the same way for washing, drying, and ironing. One dot means low temperature, two dots mean medium temperature, three dots mean high temperature. On the tub, these dots sometimes replace the number in degrees.
Barred symbol: the prohibition not to ignore
Regardless of the pictogram, a superimposed cross (X) always means prohibition. Barred tub: no washing with water. Barred triangle: no bleaching. Barred square with circle: no tumble drying. Barred iron: no ironing.
Ignoring a barred symbol is the main cause of irreversible damage to a textile. A garment with a barred tub must not go in the machine or be hand washed: only professional cleaning is feasible, as indicated by the associated circle on the label.
Textile labeling in Europe: what is mandatory and what is not
The European regulation EU 1007/2011 only mandates the indication of fiber composition on the label. The care symbols, however, are not subject to any legal obligation in Europe. Their presence is a voluntary practice, widely adopted by the textile industry through the GINETEX license.
Moreover, several European countries have recently been experimenting with environmental labeling of textiles (eco-score, climate score, water impact). These new logos will be added to the classic care symbols without replacing them, which will increase the amount of information present on a label.
How to distinguish the new environmental logos
The environmental pictograms focus on the ecological impact of the product (emissions, water consumption, durability), not on washing instructions. If an unknown logo appears on a recent label and does not correspond to any of the five classic geometric shapes, it likely pertains to this environmental labeling currently being deployed.
Reading a textile label ultimately requires identifying five shapes, counting the dots and lines, and then checking for the presence or absence of crosses. The tub for washing, the triangle for bleaching, the square for drying, the iron for ironing, the circle for dry cleaning: this reading grid covers all standardized care instructions and remains stable despite the introduction of new logos on labels.