{"product_id":"4-1-a-oya-permanent-color-ash-medium-brown","title":"4-1 (A) OYA Permanent Color Ash Medium Brown","description":"\u003cp\u003e\u003cem\u003e\u003cstrong\u003e100% gray covering\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eMixing ratio 1:1 (1 part color with 1 part OYA lotion).\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eUse with OYA lotion 10 vol. (3%) for gray coverage, tone-on-tone, and coloring darker.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eUse with OYA lotion 20 vol. (6%) for up to 2 levels of lift.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eUse with OYA lotion 30 vol. (9%) for 2 to 3 levels of lift.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eUse with OYA lotion 40 vol. (12%) for 3 or more levels of lift.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eGentle yet vibrant gray coverage formulations using only 10 volumes for level on level or darker results * A comprehensive palette of 70 colors all capable of lifting and darkening up to 4 levels * 90 gram\/3 oz. tubes offer more applications and savings vs competitors * 11 inter-mixable series for endless possibilities * 4 series, specifically designed to cover 100% gray hair, no intermixing needed * 5 concentrates that can be combined with any OYA formula * Versatile lightening cream for controlled lightening or can boost any OYA color one level * Mixing ratio 1:1 (1 part color with 1 part OYA lotion) * High lift series has a mixing ratio of 1:2. It has 4 shades for a neutral one step lift and tone for as dark as a virgin level 6\u003c\/p\u003e","brand":"OYA","offers":[{"title":"Default Title","offer_id":54573066518846,"sku":null,"price":11.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5681\/9518\/files\/Untitleddesign-2026-10-14T140421.571.png?v=1792001089","url":"https:\/\/chem-steel.com\/products\/4-1-a-oya-permanent-color-ash-medium-brown","provider":"Chem Steel","version":"1.0","type":"link"}