Preserve Color Treated Hair: Is Sulfate-Free Shampoo Just Marketing? | Dermatologist Hair Tips
“Sulfate-free” is a big buzzword in the haircare world, but what exactly are sulfates? Is choosing a sulfate-free shampoo better for your hair and maintaining your hair color? Board-certified dermatologist Dr. Joyce Park shares some insight and research on the topic, as well as best hair practices for keeping color treated hair healthy and protected.
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00:00 Intro
01:08 What are Surfactants
02:08 Types of Surfactants
03: 27 Color Leaching
05:43 Air drying vs blow drying
07:30 Conclusion
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Kirkland Signature Moisture Shampoo:https://go.shopmy.us/p-1629054
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*Sources Cited In This Video:*
Quantifying hair color: paper talking about washing with 100%, 50% strength shampoos vs. water control : https://www.cosmeticsandtoiletries.com/testing/efficacy/blog/21837576/quantifying-hair-color-fading
Damage from SLS on hair:
1 Gavazzoni Dias MF. Hair cosmetics: an overview. Int J Trichology. 2015 Jan-Mar;7(1):2-15. doi: 10.4103/0974-7753.153450. PMID: 25878443; PMCID: PMC4387693.
2 Pires-Oliveira R, Joekes I. UV-vis spectra as an alternative to the Lowry method for quantify hair damage induced by surfactants. Colloids Surf B Biointerfaces. 2014 Nov 1;123:326-30. doi: 10.1016/j.colsurfb.2014.09.035. Epub 2014 Sep 28. PMID: 25277290.
3 Singh B, Umapathy S. Effect of SDS on human hair: Study on the molecular structure and morphology. J Biophotonics. 2011 May;4(5):315-23. doi: 10.1002/jbio.201000072. Epub 2010 Sep 2. PMID: 20815023.
Air dry vs blow dry:
Lee Y, Kim YD, Hyun HJ, Pi LQ, Jin X, Lee WS. Hair shaft damage from heat and drying time of hair dryer. Ann Dermatol. 2011 Nov;23(4):455-62. doi: 10.5021/ad.2011.23.4.455. Epub 2011 Nov 3. PMID: 22148012; PMCID: PMC3229938.
Links to my Valerie’s IG, a hair care cosmetic chemist: www.instagram.com/cosmetic_chemist
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Dr. Joyce Park is a board-certified dermatologist based in Seattle, WA, founder of Skin Refinery, a boutique virtual dermatology practice, and content creator and skincare and beauty educator.
Follow my channels for more science-backed, dermatologist-approved skin, beauty, and hair content!
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#HairCare #DryHair #ColoredHair
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*DISCLAIMER: The information in this video is not intended as medical advice, diagnosis, or treatment. Always seek the advice of your physician.*
thank you so much for this you explained it in a really understandable way! 💗💗
Is this tips for all hair types, that includes coily, curly and kinky?
I was so happy when you said you’d look into hygral fatigue when I asked about it. Before hearing this term, I truly thought I was doing the best thing for my fine hair by allowing it to air dry (although my hair seemed to become dryer over the two years I allowed it to air dry after shampooing). I will definitely be looking for the ingredient amodimethicone in my next shampoo – thanks for that info. Occasionally, I use dry shampoo, although now I’m concerned about the high levels of benzene found in many brands recently recalled. What are your thoughts on that? Also, I wear a shower cap to protect my hair from exposure to water when showering on days I’m not also shampooing. I’ve yet to find a good shower cap that keeps the hair around my face dry. Any brands you’d suggest?
I just bleached for the first time. I use Nexxus color assure shampoo (for colour). it’s sulfate free. It has protein fusion. Is it safe and good for my hair bleached color.
Do you have specific shampoo recommendations?
Thank you for helpful information! But what if I have an oily scalp and fine hair (you suggested sulfate) but I also brittle hair (you suggested for sulfate free)?
Super informative, sulfate free…. looking for latin names of chemicals listed to avoid or to look for….. who knew H2O would be such a culprit to hair!
Love this hair series! I definitely need more help with hair!
Personally the shampoo that’s worked best for me is L’Oréal Vitamino Color, which isn’t actually sulfate free and instead is anti UV and hydrophobic. It’s the only colour shampoo I’ve found genuinely protects my colour. And I’ve tried soooo many different types
Interesting. I use head and shoulders on my eczema ridden oil slick scalp as it’s the only thing that really works. It cleans the oil out and calms the eczema. I tried soooooo many shampoos over the years. I’m as surprised as you are about that result. I can even get 4-5 days between washes if I’m lucky. Also I’ve noticed a correlation between the amount of oil I consume and how oily my skin and hair are. My body is literally dumping out excess oil it doesn’t want onto my face and scalp. When I went oil free for a while, no more oil slick!
Great video!! I loved the research you did. Thank you!
Hi 😊 Thanks for this video. It’s so informative! ❤ I have a question for you please. 🙏 I recently had a half head balayage done. I have purple shampoo & conditioner and use them once a week. I have oily scalp. My hair has always been thick, coarse and dry. For my regular cleaning, what kind of shampoo should I
focus on? Should I use shampoo for thick/dry/damaged hair or coloured hair? 😊
What about if u have eczema and an oily scalp?
Can you please cite your sources? I’m in the middle of a deep dive on this topic. It’s amazing how much misinformation there is on this topic. Kudos. While I definitely think you could improve how you do your videos (especially in regards to citing sources) this was the most unbiased video I have found so far. I have an academic background so academic sourcing is an absolute necessity when it comes to forming my opinion. PS. I noticed my GF only uses sulfate free shampoo because of coloring loss. So I’m especially curious whether or not that aspect is a myth.
Long story short.
Thank you so much for your research, this has helped clear up some things. I have hard eater and was told not to ise sulfates because they can react negatively to the excessive minerals in the water. Do you know if that is true? I jave oily scalp with dandruff that os fine and thinning. My mids and ends feel dry and brittle regardless what shampoo I use. After this video Im thinking my hard water by itself and air drying might be a bigger issue than the products I use. May I ask what type of shampoo and conditioner you use. Your hair looks amazing!