hi as you mentioned that your skin has darkened after a week long trip.. so the first good thing for you is..if it has darkened over a short period of time it can be reversed back to its normal color totally one more thing...you can get a better tone than you originally have if you start a proper regimen so lemme congratulate you for choosing the right forum for your treatment let us see the probable reason behind your skin color change 1) may be due to tanning 2)change of climate..and eating habits can cause a hormonal fluctuation causing pimples and texture of skin in some people 3)THE MOST IMPORTANT THING..YOU ARE OVER TREATING YOUR SKIN...THIS WILL NOT HELP AT ALL SO I WILL SUGGEST YOU A NEAR PERFECT NATURAL REMEDY FOR IT...IF YOU FOLLOW IT AS PER THE PRISCRIPTION..I ASSURE YOU A TOTAL RECOVERY HERE THEY GO 1) STOP using any fairness cream 2)tanning usually takes 4 to 6 weeks..and some times a bit longer to go away 3)the best natural remedy to combat tanning is lemon...here is the formula take half spoon of milk cream...add ten drops of lemon in it..and a pinch of turmeric..mix them for 2 min and apply for half hour and wash it...apply a moisturizer after washing 4)take cod liver oil to fight the inflammation and pimples 5) DRINK AT LEAST 10 GLASSES OF WATER A DAY AND 2 GLASSES OF LEMON WATER..ITS A MUST 6)EAT NATURAL ANTI OXIDANTS LIKE ALMONDS..SPROUTS EVERY DAY 7)DO NOT..ONCE AGAIN..DO NOT USE ANY FAIRNESS CREAM 8)DO BREATHING EXERCISE DAILY AS IT WILL GIVE MORE OXYGEN TO YOUR SKIN..IF DONE DAILY..YOU CAN HAVE A GLOWING SKIN IN 7 DAYS,,TRY IT OUT 9) LASTLY HAVE PATIENCE AND STOP WORRYING AND FEELING ASHAMED LOOKING UR FACE..ITS IMMATERIAL..COLOR ONLY ADDS TO DIFFERENCES..SO JUST RELAX AND DO WHAT EVER IS ADVISED TO YOU...MIRACLES DO HAPPEN IN 10 DAYS :) GOD BLESS