Capsule (1, 11, 20, 61) for preparing beverages, comprising: - an essentially closed housing (12, 27) which is at least partially filled with a substance to be extracted and/or dissolved, such as ground coffee, for preparing a beverage, wherein the housing (12, 27) is defined at least by a peripheral wall (12b, 29), a bottom wall (12a, 28) connected to the peripheral wall, and a laterally protruding engaging edge (12c, 30, 68) connected to the peripheral wall at a distance from the bottom wall in order to allow the capsule (1, 11, 20, 61) to be clamped into a capsule holder of a device for preparing beverages; and - at least one essentially closed closing element configured to allow beverage to flow from the capsule (1, 11, 20, 61), which closing element is connected to the laterally protruding engaging edge for sealing the substance into the capsule, wherein at least a part of the closing element is composed of a laminated foil (2, 13, 21, 42, 62), wherein the foil is configured so as to tear as a result of pressure build-up in the capsule when water is injected into the capsule (1, 11, 20, 61), said foil comprising: o at least one weakened layer (3, 13a, 21a, 43, 63), which weakened layer is provided with at least one weakened area, and which weakened layer preferably faces the substance held by the housing, o at least one carrier layer (5, 13b, 13d, 21f, 45, 65) which is at least partially composed of paper and/or of another material which does not soften and/or melt at a temperature between 70 and 120 degrees Celsius, and characterized in that it comprises o at least one least oxygen barrier layer (4, 13b, 21b, 64), which barrier layer (4, 13b, 21b, 64) is essentially impermeable to oxygen, and which oxygen barrier layer (4, 13b, 21b, 64) is situated in between said weakened layer and said carrier layer. - an essentially closed housing (12, 27) which is at least partially filled with a substance to be extracted and/or dissolved, such as ground coffee, for preparing a beverage, wherein the housing (12, 27) is defined at least by a peripheral wall (12b, 29), a bottom wall (12a, 28) connected to the peripheral wall, and a laterally protruding engaging edge (12c, 30, 68) connected to the peripheral wall at a distance from the bottom wall in order to allow the capsule (1, 11, 20, 61) to be clamped into a capsule holder of a device for preparing beverages; and - at least one essentially closed closing element configured to allow beverage to flow from the capsule (1, 11, 20, 61), which closing element is connected to the laterally protruding engaging edge for sealing the substance into the capsule, wherein at least a part of the closing element is composed of a laminated foil (2, 13, 21, 42, 62), wherein the foil is configured so as to tear as a result of pressure build-up in the capsule when water is injected into the capsule (1, 11, 20, 61), said foil comprising: o at least one weakened layer (3, 13a, 21a, 43, 63), which weakened layer is provided with at least one weakened area, and which weakened layer preferably faces the substance held by the housing, o at least one carrier layer (5, 13b, 13d, 21f, 45, 65) which is at least partially composed of paper and/or of another material which does not soften and/or melt at a temperature between 70 and 120 degrees Celsius, and characterized in that it comprises o at least one least oxygen barrier layer (4, 13b, 21b, 64), which barrier layer (4, 13b, 21b, 64) is essentially impermeable to oxygen, and which oxygen barrier layer (4, 13b, 21b, 64) is situated in between said weakened layer and said carrier layer. o at least one weakened layer (3, 13a, 21a, 43, 63), which weakened layer is provided with at least one weakened area, and which weakened layer preferably faces the substance held by the housing, o at least one carrier layer (5, 13b, 13d, 21f, 45, 65) which is at least partially composed of paper and/or of another material which does not soften and/or melt at a temperature between 70 and 120 degrees Celsius, and characterized in that it comprises o at least one least oxygen barrier layer (4, 13b, 21b, 64), which barrier layer (4, 13b, 21b, 64) is essentially impermeable to oxygen, and which oxygen barrier layer (4, 13b, 21b, 64) is situated in between said weakened layer and said carrier layer.