牛仔褲是由特殊的布料和制作工藝做成的，在清洗保潔上可以不用像襯衫、T恤衫這樣頻繁。有一種說法俗稱“養(yǎng)牛”，指不洗牛仔褲，用身體的曲線去打磨全色的牛仔褲，使褲子自然褪色，形成貼合自己身形的褶皺。那么牛仔褲真的不能清洗嗎？如果要洗，多久洗一次最合適？

Denim was invented over 150 years ago — and the question of how and when to wash the garments has been around for almost just as long.
150年前，人類發(fā)明了牛仔布，自此關(guān)于如何清洗牛仔服飾的問題就存在了。

Though many people choose to never wash their jeans, Levi’s design director Paul O’Neill personally shared that he washes them every “30 to 50 wears.”
盡管許多人選擇從不洗牛仔褲，但李維斯的設(shè)計總監(jiān)保羅·奧尼爾分享說，他每“穿30到50次”就洗一次。

O’Neill told the Australian Financial Review that he recommends washing jeans alone on a gentle cycle with cold water so the color doesn’t fade, and hanging them outside to dry — never tumble drying.
奧尼爾告訴《澳大利亞金融評論》，他建議用冷水輕輕地洗牛仔褲，這樣就不會褪色，然后掛起來晾干，千萬不要烘干。

“The more you wash your denim, the lighter it will become, losing indigo with each wash,” he said.
他說：“牛仔布洗得越多，顏色就會越淡，每次洗都會掉色?！?/p>

However, he explained that how often jeans should be washed is up to personal preference and there’s no “official” way.
然而，他解釋說，牛仔褲應(yīng)該多久洗一次取決于個人喜好，沒有“官方”指南。

Rather than washing jeans, some people find other ways to freshen them up such as putting them in the freezer, spraying them with vinegar or hanging them in the sun for a “UV wash” to kill off bacteria, O’Neill said.
奧尼爾說，有些人不洗牛仔褲，而是想其他辦法讓其煥然一新，比如把它們放在冰箱里，噴醋，或者掛在陽光下“照射紫外線”以殺死細菌。

Mary Lou Ryan, a co-founder of clothing brand Bassike, goes a step further, saying she only washes her jeans when it’s vital with a small amount of mild detergent.
服裝品牌Bassike的聯(lián)合創(chuàng)始人瑪麗·盧·瑞安進一步解釋，她只在必要時用少量溫和的洗滌劑清洗牛仔褲。

Though if you prefer not to wash your jeans at all, a small dab of laundry spray on stains should do the trick.
不過，如果你不想洗牛仔褲，在污漬上噴一點洗衣噴霧就可以了。

John Reid, managing director at clothing retailer Garment Quarter, told Yahoo UK， “Washing your denim jeans can alter the make-up of the material itself, and in fact, your favorite pair of jeans don’t need to be washed as frequently as you may think.” 
服裝零售商Garment Quarter的董事總經(jīng)理約翰·雷德告訴雅虎英國：“清洗牛仔褲會改變材料成分，事實上，你最心愛的牛仔褲不需要像你想象的那樣頻繁清洗?！?/p>