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Chi's Enviro Smoothing Shampoo offers an effective solution for frizzy and unruly hair. Infused with pearl and silk proteins, this formula deeply moisturizes to leave hair smooth and manageable.
The silk proteins lend a sleek, shiny finish, enhancing hair's natural beauty with every wash. Free from parabens and formaldehyde, this gentle shampoo suits all hair types, making it a versatile choice. It effectively reduces frizz, revealing beautifully smooth hair that is easy to style and control.
Share your favorite looks while checking out the latest products and how-to videos!
| SIZE | US | AU | DK | FR | IT | JP | UK | WAIST | BUST |
|---|---|---|---|---|---|---|---|---|---|
| XXS | US 0 | AU 4 | DK 30 | FR32 | IT 36 | JP 3 | UK 4 | 22-24 | 30 |
| XS | US 2 | AU 6 | DK 32 | FR34 | IT 38 | JP 5 | UK 6 | 24-26 | 31 |
| S | US 4 | AU 8 | DK 34 | FR36 | IT 40 | JP 7 | UK 8 | 26-28 | 32 |
| M | US 6 | AU 10 | DK 36 | FR38 | IT 42 | JP 9 | UK 10 | 28-30 | 34 |
| L | US 8 | AU 12 | DK 38 | FR40 | IT 44 | JP 11 | UK 12 | 30-32 | 36 |
| XL | US 10 | AU 14 | DK 40 | FR42 | IT 46 | JP 13 | UK 14 | 32-34 | 38 |
| XXL | US 12 | AU 16 | DK 42 | FR44 | IT 48 | JP 15 | UK 16 | 34-36 | 40 |
| 3XL | US 14 | AU 18 | DK 44 | FR46 | IT 50 | JP 17 | UK 18 | 36-38 | 43 |
| SIZE | US | AU | DK | FR | IT | JP | UK | WAIST | BUST | HIPS |
|---|---|---|---|---|---|---|---|---|---|---|
| XXS | US 0 | AU 4 | DK 30 | FR32 | IT 36 | 3 | UK 4 | 21-22 | 30 | 33 |
| XS | US 0-2 | AU 6 | DK 32 | FR34 | IT 38 | 5 | UK 6 | 23-24 | 31 | 34 |
| S | US 2-4 | AU 8 | DK 34 | FR36 | IT 40 | 7 | UK 8 | 25-26 | 32 | 35 |
| M | US 4-6 | AU 10 | DK 36 | FR38 | IT 42 | 9 | UK 10 | 27-28 | 34 | 37 |
| L | US 6-8 | AU 12 | DK 38 | FR40 | IT 44 | 11 | UK 12 | 29-30 | 36 | 39 |
| XL | US 8-10 | AU 14 | DK 40 | FR42 | IT 46 | 13 | UK 14 | 31-32 | 38 | 41 |
| XXL | US 10-12 | AU 16 | DK 42 | FR44 | IT 48 | 15 | UK 16 | 33-34 | 40 | 43 |
| XXXL | US 12-14 | AU 18 | DK 44 | FR46 | IT 50 | 17 | UK 18 | 35-36 | 43 | 46 |
| SIZE | US | AU | DK | FR | IT | JP | UK | WAIST | HIPS |
|---|---|---|---|---|---|---|---|---|---|
| XXS | US 0 | AU 4 | DK 30 | FR32 | IT 36 | JP 3 | UK 4 | 22-24 | 33 |
| XS | US 2 | AU 6 | DK 32 | FR34 | IT 38 | JP 5 | UK 6 | 24-26 | 34 |
| S | US 4 | AU 8 | DK 34 | FR36 | IT 40 | JP 7 | UK 8 | 26-28 | 35 |
| M | US 6 | AU 10 | DK 36 | FR38 | IT 42 | JP 9 | UK 10 | 28-30 | 37 |
| L | US 8 | AU 12 | DK 38 | FR40 | IT 44 | JP 11 | UK 12 | 30-32 | 39 |
| XL | US 10 | AU 14 | DK 40 | FR42 | IT 46 | JP 13 | UK 14 | 32-34 | 41 |
| XXL | US 12 | AU 16 | DK 42 | FR44 | IT 48 | JP 15 | UK 16 | 34-36 | 43 |
| 3XL | US 14 | AU 18 | DK 44 | FR46 | IT 50 | JP 17 | UK 18 | 36-38 | 46 |
| US | AU | EU | FR | IT | UK |
|---|---|---|---|---|---|
| US 30A | 8A | 65A | 80A | 0A | 30A |
| US 30B | 8B | 65B | 80B | 0B | 30B |
| US 30C | 8C | 65C | 80C | 0C | 30C |
| US 30D | 8D | 65D | 80D | 0D | 30D |
| US 30DD/E | 8E | 65E | 80E | 0DD | 30DD |
| US 30DDD/F | 8F | 65F | 80F | 0E | 30E |
| US 30G | 8G | 65G | 80G | 0F | 30F |
| US 30H | 8H | 65H | 80H | 0FF | 30FF |
| US 30I | 8I | 65J | 80J | 0G | 30G |
| US 32B | 10B | 70B | 85B | 1A | 32A |
| US 32B | 10B | 70B | 85B | 1B | 32B |
| US 32C | 10C | 70C | 85C | 1C | 32C |
| US 32D | 10D | 70D | 85D | 1D | 32D |
| US 32DD/E | 10E | 70E | 85E | 1DD | 32DD |
| US 32DDD/F | 10F | 70F | 85F | 1E | 32E |
| US 32G | 10G | 70G | 85G | 1F | 32F |
| US 32H | 10H | 70H | 85H | 1FF | 32FF |
| US 32I | 10I | 70J | 85J | 1G | 32G |
| US 34A | 12A | 75A | 90A | 2A | 34A |
| US 34B | 12B | 75B | 90B | 2B | 34B |
| US 34C | 12C | 75C | 90C | 2C | 34C |
| US 34D | 12D | 75D | 90D | 2D | 34D |
| US 34DD/E | 12E | 75E | 90E | 2DD | 34DD |
| US 34DDD/F | 12F | 75F | 90F | 2E | 34E |
| US 34G | 12G | 75G | 90G | 2F | 34F |
| US 34H | 12H | 75H | 90H | 2FF | 34FF |
| US 34I | 12I | 75J | 90J | 2G | 34G |
| US 36A | 14A | 80A | 95A | 3A | 36A |
| US 36B | 14B | 80B | 95B | 3B | 36B |
| US 36C | 14C | 80C | 95C | 3C | 36C |
| US 36D | 14D | 80D | 95D | 3D | 36D |
| US 36DD/E | 14E | 80E | 95E | 3DD | 36DD |
| US 36DDD/F | 14F | 80F | 95F | 3E | 36E |
| US 36G | 14G | 80G | 95G | 3F | 36F |
| US 36H | 14H | 80H | 95H | 3FF | 36FF |
| US 36I | 14I | 80J | 95J | 3G | 36G |
| US 38B | 16B | 85B | 100B | 4B | 38B |
| US 38C | 16C | 85C | 100C | 4C | 38C |
| US 38D | 16D | 85D | 100D | 4D | 38D |
| US 38DD/E | 16E | 85E | 100E | 4DD | 38DD |
| US 38DDD/F | 16F | 85F | 100F | 4E | 38E |
| US 38G | 16G | 85G | 100G | 4F | 38F |
| US 38H | 16H | 85H | 100H | 4FF | 38FF |
| US 38I | 16I | 85J | 100J | 4G | 38G |
| SIZE | 28 | 30 | 32 | 34 | 36 | 38 | 40 |
|---|---|---|---|---|---|---|---|
| US A | XS | XS | XS/S | S/M | M | L | XL |
| US B | XS | XS | XS/S | S/M | M/L | L/XL | XL/2XL |
| US C | S | S | S/M | M/L | L | XL | XL/2XL |
| US D | S | S | S/M | M/L | L | XL | XL/2XL |
| SIZE | US BRA | FR BRA | EU BRA | US | AU | IT | UK |
|---|---|---|---|---|---|---|---|
| XXS | 28 | 75 | 60 | 0 | 4 | 36 | 4 |
| XS | 30 | 80 | 65 | 2 | 6 | 38 | 6 |
| S | 32 | 85 | 70 | 4 | 8 | 40 | 8 |
| M | 34 | 90 | 75 | 6 | 10 | 42 | 10 |
| L | 36 | 95 | 80 | 8 | 12 | 44 | 12 |
| XL | 38 | 100 | 85 | 10 | 14 | 46 | 14 |
| XXL | 40 | 105 | 90 | 12 | 16 | 48 | 16 |
| 3XL | 42 | 110 | 95 | 14 | 18 | 50 | 18 |
| SIZE | US | AU | FR | EU | IT | JP | UK |
|---|---|---|---|---|---|---|---|
| XXS | US 4 | AU 4 | FR35 | EU34 | IT 34 | JP 21 | UK 1 |
| XS | US 4.5 | AU 4.5 | FR35.5 | EU34.5 | IT 34.5 | JP 21.5 | UK 1.5 |
| XS | US 5 | AU 5 | FR36 | EU35 | IT 35 | JP 22 | UK 2 |
| XS | US 5.5 | AU 5.5 | FR36.5 | EU35.5 | IT 35.5 | JP 22.5 | UK 2.5 |
| S | US 6 | AU 6 | FR37 | EU36 | IT 36 | JP 23 | UK 3 |
| S | US 6.5 | AU 6.5 | FR37.5 | EU36.5 | IT 36.5 | JP 23.5 | UK 3.5 |
| S | US 7 | AU 7 | FR38 | EU37 | IT 37 | JP 24 | UK 4 |
| M | US 7.5 | AU 7.5 | FR38.5 | EU37.5 | IT 37.5 | JP 24.5 | UK 4.5 |
| M | US 8 | AU 8 | FR39 | EU38 | IT 38 | JP 25 | UK 5 |
| M | US 8.5 | AU 8.5 | FR39.5 | EU38.5 | IT 38.5 | JP 25.5 | UK 5.5 |
| L | US 9 | AU 9 | FR40 | EU39 | IT 39 | JP 26 | UK 6 |
| L | US 9.5 | AU 9.5 | FR40.5 | EU39.5 | IT 39.5 | JP 26.5 | UK 6.5 |
| L | US 10 | AU 10 | FR41 | EU40 | IT 40 | JP 27 | UK 7 |
| XL | US 10.5 | AU 10.5 | FR41.5 | EU40.5 | IT 40.5 | JP 27.5 | UK 7.5 |
| XL | US 11 | AU 11 | FR42 | EU41 | IT 41 | JP 28 | UK 8 |
| XL | US 11.5 | AU 11.5 | FR42.5 | EU41.5 | IT 41.5 | JP 28.5 | UK 8.5 |
| XXL | US 12 | AU 12 | FR43 | EU42 | IT 42 | JP 29 | UK 9 |
| SIZE | US | FR | IT | JP | UK |
|---|---|---|---|---|---|
| XXXS | US 14 | FR34 | IT 40 | - | UK 14 |
| XXS | US 14.5 | FR36 | IT 42 | JP1 | UK 14.5 |
| XS | US 15 | FR38 | IT 44 | JP2 | UK 15 |
| S | US 15.5 | FR39 | IT 46 | JP3 | UK 15.5 |
| M | US 16 | FR40 | IT 48 | JP4 | UK 16 |
| L | US 16.5 | FR41 | IT 50 | JP5 | UK 16.5 |
| XL | US 17 | FR42 | IT 52 | JP6 | UK 17 |
| XXL | US 17.5 | FR43 | IT 54 | JP7 | UK 17.5 |
| XXXL | US 18 | FR44 | IT 56 | JP8 | UK 18 |
| SIZE | US WAIST | AU | DK | EU | FR | IT |
|---|---|---|---|---|---|---|
| XXS | US 26 | AU26 | DK26 | EU42 | FR32 | IT42 |
| XXS | US 27 | AU27 | DK27 | EU43 | FR33 | IT43 |
| XS | US 28 | AU28 | DK28 | EU44 | FR34 | IT44 |
| XS | US 29 | AU29 | DK29 | EU45 | FR 35 | IT45 |
| S | US 30 | AU30 | DK30 | EU46 | FR36 | IT46 |
| S | US 31 | AU31 | DK31 | EU47 | FR37 | IT47 |
| M | US 32 | AU32 | DK32 | EU48 | FR38 | IT48 |
| M | US 33 | AU33 | DK33 | EU49 | FR39 | IT49 |
| L | US 34 | AU34 | DK34 | EU50 | FR40 | IT50 |
| L | US 35 | AU35 | DK35 | EU51 | FR41 | IT51 |
| XL | US 36 | AU36 | DK36 | EU52 | FR42 | IT52 |
| XL | US 37 | AU37 | DK37 | EU53 | FR43 | IT53 |
| XXL | US 38 | AU38 | DK38 | EU54 | FR44 | IT54 |
| XXL | US 39 | AU39 | DK39 | EU55 | FR45 | IT55 |
| 3XL | US 40 | AU40 | DK40 | EU56 | FR46 | IT56 |
| 3XL | US 41 | AU41 | DK41 | EU57 | FR47 | IT57 |
| 4XL | US 42 | AU42 | DK42 | EU58 | FR48 | IT58 |
| US | IT | UK | JP |
|---|---|---|---|
| 2 US | IT35 | UK1 | 20 |
| 2.5 US | IT35.5 | UK1.5 | 20.5 |
| 3 US | IT36 | UK2 | 21 |
| 3.5 US | IT36.5 | UK2.5 | 21.5 |
| 4 US | IT37 | UK3 | 22 |
| 4.5 US | IT37.5 | UK3.5 | 22.5 |
| 5 US | IT38 | UK4 | 23 |
| 5.5 US | IT38.5 | UK4.5 | 23.5 |
| 6 US | IT39 | UK5 | 24 |
| 6.5 US | IT39.5 | UK5.5 | 24.5 |
| 7 US | IT40 | UK6 | 25 |
| 7.5 US | IT40.5 | UK6.5 | 25.5 |
| 8 US | IT41 | UK7 | 26 |
| 8.5 US | IT41.5 | UK7.5 | 26.5 |
| 9 US | IT42 | UK8 | 27 |
| 9.5 US | IT42.5 | UK8.5 | 27.5 |
| 10 US | IT43 | UK9 | 28 |
| 10.5 US | IT43.5 | UK9.5 | 28.5 |
| 11 US | IT44 | UK10 | 29 |
| 11.5 US | IT44.5 | UK10.5 | 29.5 |
| 12 US | IT45 | UK11 | 30 |
| 12.5 US | IT45.5 | UK11.5 | 30.5 |
| 13 US | IT46 | UK12 | 31 |
| 13.5 US | IT46.5 | UK12.5 | 31.5 |
| 14 US | IT47 | UK13 | 32 |
| 14.5 US | IT47.5 | UK13.5 | 32.5 |
| 15 US | IT48 | UK14 | 33 |
| 15.5 US | IT48.5 | UK14.5 | 33.5 |
| 16 US | IT49 | UK15 | 34 |
| 16.5 US | IT49.5 | UK15.5 | 34.5 |
| 17 US | IT50 | UK16 | 35 |
