Quick answer
Use the rinse-out conditioner first, every wash, then apply the leave-in mask to damp hair and leave it in. The conditioner handles detangling and daily conditioning in the shower; the mask adds a longer-wearing conditioning layer on top. Keep the mask to 1–2 times per week or as needed so hair does not feel heavy.
Why order matters more than product amount
A rinse-out conditioner and a leave-in mask do different jobs. The conditioner is designed to be rinsed away after coating and smoothing the hair; the leave-in mask is designed to stay on the hair, so it keeps conditioning after you step out of the shower. If you apply the leave-in first and then rinse, you remove most of what you just applied. If you apply the leave-in too heavily on top of a conditioner that already detangled well, hair can feel coated rather than soft.
The fix is not using less of both. It is using each where it works: conditioner in the shower on clean, wet hair, then the leave-in mask on damp hair as the last step before styling. That order also makes it easier to judge how much leave-in you actually need, because you are starting from hair that is already detangled.
A simple weekly rhythm for both products
Most hair does well with conditioner at every wash and the leave-in mask 1–2 times per week or as needed. If your hair is fine or easily weighed down, start with the mask once a week and see how it wears by day two. If your hair is dry, coarse, or frequently heat-styled, twice a week is a reasonable starting point. The goal is not to use both every day; it is to use the leave-in on the days your hair needs a longer-lasting conditioning layer.
On mask days, you can still condition first. The conditioner detangles and prepares the hair, and the leave-in mask then goes on last. On non-mask days, conditioner alone is enough for most hair.
How much leave-in mask to use
Start with a small amount and add more only where hair feels dry. For fine hair, begin with a pea-sized amount and focus on mid-lengths and ends; for thicker or drier hair, use a little more and work it through the same areas. Avoid applying a heavy layer directly at the roots unless your scalp is dry and your hair tolerates it, because leave-in products can make the root area look flat.
The leave-in mask is not a replacement for the conditioner, and the conditioner is not a replacement for the mask. They overlap in conditioning, but the rinse-out step is what keeps daily hair manageable, while the leave-in step is what extends softness and silkiness between washes.
Step-by-step: conditioner and leave-in mask in order
- Start with clean, wet hair in the shower: After shampooing, gently squeeze excess water from hair so the conditioner can coat evenly instead of sliding off. Checkpoint: hair should be wet but not dripping heavily.
- Apply rosemary conditioner to mid-lengths and ends: Work the conditioner through the hair, focusing on the areas that tangle most. Let it sit for a minute or two, then rinse thoroughly. Common mistake: leaving conditioner in as a shortcut. Rinse it out; the leave-in mask is the step that stays.
- Gently detangle and squeeze out excess water: Use a wide-tooth comb or your fingers to detangle while the hair is still coated and slippery, then squeeze out water before the leave-in step. Checkpoint: hair should be damp, not soaking, so the leave-in mask is not diluted.
- Apply the leave-in mask to damp hair: Take a small amount of Rosemary Leave-In Mask and distribute it through mid-lengths and ends. Add more only where hair feels dry. Do not rinse. Common mistake: applying too much at the roots. Keep the leave-in focused on the hair, not the scalp, unless your scalp is dry.
- Style as usual and repeat 1–2 times per week: Dry and style as you normally would. Use the leave-in mask 1–2 times per week or as needed, and use the conditioner at every wash. Checkpoint: if hair feels heavy by day two, reduce the leave-in amount next time before cutting the mask out entirely.
Product facts that affect how you layer them
- Rosemary Conditioner | Multi-Protein: Rosemary Conditioner | Multi-Protein pairs a high concentration of Plant Emollients with Pure Rosemary (Oil/Extract/Water), Plant Proteins, and Essential Ceramides to help strengthen, condition, and detangle hair, and contains a micro-dose of the anti-thinning peptide complex CapixylTM. This is the rinse-out step. Its detangling and conditioning work happens in the shower, so it should go on first and be rinsed before you apply anything that stays in.
Rosemary Conditioner | Multi-Protein
- Rosemary Leave-In Mask: Rosemary Leave-In Mask is an advanced leave-in treatment mask for use 1–2 times per week or as needed, with Rosemary Extract, conditioning agents, and 5% Vegan Keratin. This is the leave-in step. Because it is designed to stay on the hair, it goes on last, after conditioning, and the 1–2 times per week guidance is the schedule to follow.
- Rosemary Serum | 30-Day Supply: Rosemary Serum | 30-Day Supply is a leave-in serum for daily use with 70% Rosemary Water, Oil, Extract, and 5% CapixylTM, and is described as clear, quick-dry, and no-residue. If you also use a scalp serum, apply it to the scalp as its own step. It is not a conditioner or a mask, so it does not replace either product in this order.







