La Mer Treatment Lotion arrives as a velvety prep step in a 150ml (5 oz) bottle that aims to boost hydration and help the rest of your skincare work harder. It positions itself as a lightweight, nourishing lotion that blends The Miracle Broth, Scenedesmus algae, sea minerals and The Softening Waters for faster product penetration.
Many skip a prepping lotion and then wonder why serums don’t feel as effective – that’s the mistake this product targets. Want to know if it actually fits your routine?
Want the full specs in one tap? Open the Amazon listing here.

The details that actually matter
- What it is – a rich, velvety face lotion meant to prep and hydrate before serums and creams.
- Size – full 150ml / 5 oz bottle, suited for regular use.
- Key ingredients listed – The Miracle Broth, Scenedesmus algae, sea minerals and The Softening Waters to enhance penetration.
- Texture and finish – lightweight yet plush texture that feels silky when patted in.
- How it’s used – applied after cleansing to prepare skin to receive the next steps in your regimen.
- Notes from the listing – formulated to help improve skin tone and texture while optimizing skin’s natural functions.

Best for
- People who follow multi-step skincare and want a dedicated prep step.
- Anyone looking for a velvety, fast-absorbing lotion to layer under serums and creams.
- Those who like marine-inspired ingredient blends and richer textures without heaviness.
- Fans of luxury skincare packaging and full-size bottles (150ml).
- Gift-ready option for someone who appreciates elevated skincare.
Quick checklist
- Confirm the 150ml / 5 oz size matches what you want.
- Use right after cleansing on damp or towel-dried skin for best absorbency.
- Pat a few drops across face and neck; follow immediately with serums, then moisturizer.
- Keep away from direct sunlight and store at room temperature.
- Patch test if you have sensitivity to marine extracts or active blends.
This is a smart gift-ready pick because it’s both luxe and useful – someone who loves skincare will slot it into their daily routine rather than letting it gather dust. The full-size bottle makes it feel like a proper present that gets used.
Common doubts
- Is this a moisturizer? It’s primarily a prep lotion that hydrates and primes skin, not a replacement for a cream.
- Will it replace serums? No. It’s meant to boost serum absorption and enhance the regimen that follows.
- Is 150ml enough? 150ml is a generous, full-size bottle for regular use.
- Suitable for sensitive skin? The formula lists marine extracts; do a patch test before full use.
This treatment lotion earns a spot for anyone who wants a silky, prepping step that blends into a routine and helps the rest of the products feel worth the effort. It makes sense for people who prioritize layered skincare and appreciate a full-size, luxe option.
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