abused lady
Decreased the temperature to -4, decreased tint to -8, increased the exposure to 0.20 to brighten up the photo a little, increased the contrast to 15, decreased the highlights to -21, increased the shadows to 2, decreased the whites to -20, decreased the blacks to -40, and decreased the clarity to -20. Edited the lady's face by removing the pimples and eye bags to make her skin look clear. Cleared the skin of her neck. Finally, changed the colour of hair to brown.
yellow Guy
First, edited the white balance on him to not make the photo yellow. Whitened the teeth with the teeth whitening tool, where decrease the saturation to -60. Used the burn tool to darken his pupils and use dodge to lighten up his eye colour. Use the soften skin tool to make his mustache not prickly.
barcelona landscape
White balanced the photo. Turned the saturation up for the sky to make it make more blue. Increased the exposure to 0.40 and decreased the saturation to -60 for the whole photo. Used the soften skin effect for the both mountains on the sides, where I decreased the clarity to -100 and the sharpness to 25.