help with lightening!!

it's the camera lighting but irl it's more yellow 🙂‍↔ī¸ are there ways to lighten/tone it as close to platinum blonde as possible without bleaching my hair again? this is my first time doing my hair at home like this, any tips would be appreciated :) thank you!!

note: I have purple shampoo already but ik that using it too often isn't great rip

it's the camera lighting but irl it's more yellow 🙂‍↔ī¸ are there ways to lighten/tone it as close to platinum blonde as possible without bleaching my hair again? this is my first time doing my hair at home like this, any tips would be appreciated :) thank you!!

note: I have purple shampoo already but ik that using it too often isn't great rip