My hair is getting thinner even though I'm only in my thirties.
I'm still in my thirties, but my hair is already starting to thin out.
ーMy hair is getting thinner even though I'm only in my thirties.
「まだ30代なのに、髪が薄くなってきている」
to get thinner で「薄くなる」
in one's thirties で「30代」
ーI'm still in my thirties, but my hair is already starting to thin out.
「まだ30代なのに、髪がすでに薄くなり始めている」
to start to thin out で「薄くなり始める」
ーI'm getting bald even though I'm only in my thirties.
「まだ30代なのに、ハゲてきている」
to get bald で「ハゲる」
ご参考まで!
I'm still in my 30s, but my hair is getting thinner.
I'm still in my 30s, but I'm going bald.
おっしゃられている内容は、以下のようにも表現できると思いました(*^_^*)
I'm still in my 30s, but my hair is getting thinner.
「まだ30代だが、髪の毛が薄くなってきている」
I'm still in my 30s, but I'm going bald.
「まだ30代だが、禿げてきている」
以上です。
少しでも参考になれば幸いです(*^_^*)