Instagram-style Japanese handwritten cosmetic ad

Make it an ad in the style of an organic handwritten Instagram post, in Japanese. The color taste should be {argument name="color_en" default="purple and pink"}. The selling points are {argument name="selling_point1_en" default="for sensitive skin"} and {argument name="selling_point2_en" default="price"}. Emphasize that the price is {argument name="price_hook_en" default="for a limited time only"}. Please also mention the texture and volume of the serum. Include phrases like “{argument name="phrase1_en" default="Try it first"}”, “{argument name="phrase2_en" default="Must see"}”, and “{argument name="phrase3_en" default="First-time 40% off"}”.