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In-Residencia Hydrating Dúo
Your Intense Hydration Ritual
LOS DETAILS
Fragrance-Free | 2x 310mL - 10.5 fl oz
The wash day power couple.
A dream team for dry, sensitive scalps and anyone craving a more luxurious, microbiome-friendly ritual.
This expertly designed In-Residencia Hydrating Shampoo & Conditioner set delivers a silky, balanced cleanse followed by rich yet weightless hydration. Together, they create the ultimate foundation for healthier-looking, shinier, stronger hair — while deeply respecting your scalp’s delicate barrier.
The shampoo gently lifts away daily buildup (oil, pollution, product) with a soft lather, while the conditioner nourishes strands and scalp with next-level hydration and shine — it even doubles as a leave-in masque.
With Fermented Probiotics, Cationic Hyaluronic Acid, Panthenol (Vitamin B5), Niacinamide (Vitamin B3), and natural oils, this power pairing soothes dryness, supports collagen and follicle health, and helps protect thinning, ageing or environmentally stressed hair.
Luxurious, fragrance-free, and ultra-gentle. Your scalp will say gracias.
SUITABLE FOR
All hair types
Dry
Sensitive
Thinning
Damaged
Colour-treated
CLINICAL RESULTS
✓ 90% said their scalp felt more hydrated*
✓ 90% said their scalp felt nourished*
✓ 85% said their scalp felt less itchy and less flaky*
✓ 85% said their hair looked healthier*
✓ 95% found the product gentle on their scalp*
✓ 0% irritation**
*Independent in-use test | 20 participants used In-Residencia Hydrating Shampoo, In-Residencia Conditioner and Noche Balancing Scalp Sérum for 4 weeks (2025).
**Third-party dermatological evaluation | 48-hour occlusive patch test (2025).
Complimentary Shipping on Orders $70+
New Zealand Orders over $70 (NZD) - Free Orders under $70 (NZD) - Flat rate $9 (NZD)
Rest of World: Orders over $70 - Free Orders under $70 - Flat rate $15 In your local currency
Dispatch 1-2 days, delivery up to 10 days depending on locations.
We guarantee our products and want you to truly love them.
If you’re unsure which product is right for you, we’re always happy to help - email us anytime at hello@sanmargo.com for personalised guidance. Our minis and travel sizes are also perfect for trial use.
Before purchasing, please check the product pages for full ingredient lists, and review them carefully to ensure there are no ingredients you’re sensitive to.
If for some reason you’re not 100% satisfied and it is your first time using the product, and only 1/4 or less has been used, send us back the product and we will refund you the purchase price (excluding shipping fee).
We create with intention, aiming for better: for your inside, for your outside, for the outside.
As a 1% For The Planet Member, 1% of all sales go directly to vetted environmental non-profits, supporting causes like climate action, conservation, and biodiversity.
See Our Impact. For our full sustainability policy.
Balances the scalp microbiome to support stronger, healthier hair.
Cationic Hyaluronic Acid
Promotes soft, smooth, and frizz-free hair.
Niacinamide (Vitamin B3)
Strengthens the scalp barrier to promote visibly thicker, healthier strands.
Panthenol (Vitamin B5)
Hydrates & nourishes.
Avocado Fruit Extract
Softens and conditions.
Aloe Vera
Soothes and hydrates sensitive scalps.
La Formulación
Suitable For TTC to Perimenopause & Beyond
Carefully formulated to be safe and effective for individuals in preconception, pregnancy, postpartum, and perimenopause stages, as well as those with sensitive or sensitised skin due to hormonal changes, environmental factors, or other influences.
Made with amor in New Zealand
Proudly made using local and imported ingredients and components in Auckland, NZ.
Dermatologically Certified for Sensitive Skin
Our cosmetics are independently dermatologically tested for sensitive skin and recorded 0% irritation and 0% reaction.
Apply shampoo to wet hair and gently massage into scalp for a rich lather. Luxuriate for one minute to allow the product to absorb and remove any excess oil. Rinse thoroughly and repeat, if needed, for a deeper cleanse.
Massage conditioner onto wet scalp and hair. Luxurate for a few minutes before rinsing, or leave in.
Store in a cool, dry place away from direct sunlight. Keep the cap tightly closed to maintain quality and effectiveness.
Rinse thoroughly with water in the event of contact with eyes.
Please note: Everyone's skin is unique, and reactions to certain ingredients may vary. We recommend performing a patch test first and/or consulting with your dermatologist or healthcare professional if you have any concerns or specific conditions before use.
PACKAGING & HOW TO RECYCLE
Our immaculately undone packaging is intentionally designed with recyclability in mind, prioritising curbside recyclable materials wherever possible.
We’ve partnered with the Australian Packaging Covenant Organisation to include the Australasian Recycling Label, so you’ll always know exactly what to do with each part.
Long story short? Most of our packaging is easily and conveniently recycled at home.
For anything trickier, we recommend reusing it or taking it to your go-to beauty retailer with a hard-to-recycle drop-off.
SIGNATURE WRAPPING
Delivered in sustainable style
Our 100% PCR FSC certified kraftboard boxes carefully house your delivery from us to you.
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